Diverse crops can become vulnerable to pests, disease, and climate change. Which part of this statement is false?

Answers

Answer 1

The statement 'diverse crops can become vulnerable to pests, disease, and climate change' is considered false regarding this last point (climate change).

What is adaptation?

Adaptation is an evolutionary process where a species fits certain environmental conditions.

Plant species are intrinsically vulnerable to climate change because they are adapted to certain climate (temperature) conditions.

In conclusion, the statement 'diverse crops can become vulnerable to pests, disease, and climate change' is considered false regarding this last point (climate change).

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Related Questions

G a magnetic field perpendicular to the plane of a wire loop is uniform in space but changes with time t in the region of the loop. if the induced emf in the loop increases linearly with time t, then the magnitude of the magnetic field must be proportional to

Answers

Answer:

e = Δφ / Δt     induced emf is proportional to enclosed flux

Also φ  = B * A      flux is proportional to area and enclosed field

If the induced emf e increases with time than the flux and hence the magnetic field is increasing with time  (replace B with G)

Since e = ΔG * A / Δt    if e is linear then G must also be linear and be proportional to the time

A airplane that is flying level needs to accelerate from a speed of 100 m/s to a speed of 260 m/s while it flies a distance of 2000 m. What must the acceleration of the plane be

Answers

13m/s^2
260*100=26000m^2/s^2
26000/2000
=13m/s^2

what are magnetic field line??​

Answers

Answer:

Magnetic field lines are a visual tool used to represent magnetic fields.meaning you cant really see them with out the tool witch magnetic force on a north and south

Hope This Helped


What is an object's acceleration if it is moving at 40 m/s and comes to a stop in 5 s?

Answers

An object's acceleration if it is moving and comes to a stop in 5 s will be  8 m/s².

What is acceleration?

Acceleration is defined as the rate change of velocity with time.

acceleration a = (Δv) / (Δt)

An object is moving with initial velocity u = 40 m/s and it comes to stop, then its final velocity  v= 0 m/s.

Time taken for the change in speed t=5s.

The acceleration is given by

a = (40 -0)/ 5

a = 8 m/s²

Thus, the object's acceleration is  8 m/s².

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1750 N irregular beam is hanging horizontally by its ends from the ceiling by two vertical wires (A and B), each 1.25 m long and weighing 0.290 N. The center of gravity of this beam is one-third of the way along the beam from the end where wire A is attached. If you pluck both strings at the same time at the beam, what is the time delay between the arrival of the two pulses at the ceiling

Answers

The time delay between the arrival of the two pulses at the ceiling is 2.33 ms.

What is center of gravity?

Any object of mass is attracted towards another by point where whole mass is supposed to be concentrated is called center of gravity.

A 1750 N irregular beam is hanging horizontally by its ends from the ceiling by two vertical wires (A and B), each 1.25 m long and weighing 0.290 N.

The center of gravity of this beam is one-third of the way along the beam from the end where wire A is attached.

Taking moments about one end, to find the tension at other end.

Tb X L = WxL/3

here, W is the weight, L is the length of wire and Tb is the tension at point B.

So, Tb = W/3

and
Tb - Ta = W

here, Ta is the tension in end A.

Substitute the values, we get

Tb = 583.33N and Ta = 1166.66N

Velocity of end A, Va = (1166.66 x1.25 x 9.81/0.290 )^(1/2)

Va = 222 m/s

Velocity of end B, Vb = (583.33 x1.25 x 9.81/0.290 )^(1/2)

Va = 157 m/s

Time delay t is related with the velocities as

t = L/Vb - L/Va

Substitute the values, we get

t= 0.00233 s

t = 2.33 ms

Thus, time delay between the arrival of the two pulses at the ceiling is 2.33 ms.

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The speed of a car increases uniformly from 6 m/s to 42 m/s in 9 second calculate the acceleration of the car​

Answers

The acceleration of the car​ which changes the speed uniformly is 4 m/s²

What is acceleration?

Acceleration can be defined as the rate change of velocity with time.

acceleration a = (Δv) / (Δt)

Given is the initial velocity 6m/s and final velocity 42m/s, the time take fir this change in speed is 9s.

Substitute the values, we have

a = (42-6)/9

a = 36/9

a =4 m/s²

Thus, the acceleration is 4 m/s²

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Calculate the power of a person that does 8kJ of work in 4 hours

Answers

Answer:

0.56 Watt

Explanation:

Work done = 8 kJ = 8000J

Time = 4 hours = 4*60*60s = 14400sec

Power = ?

Formula of Power is,

Power = Work done / Time

Power = 8000/14400

Power = 0.56 Watt

Hence, Power of person is 0.56Watt.

I just need the formula solved

Answers

Answer:

55 kg

Explanation:

Formula :

Force = mass × acceleration

=========================================================

Given :

⇒ Force = 220 N

⇒ acceleration = 4 m/s²

===========================================================

Solving :

⇒ 220 N = mass × 4 m/s²

⇒ mass = 220/4

⇒ mass = 55 kg

In a hard disk drive, a constant torque of 14 N⋅m is applied to the magnetic disk when the drive starts recording data. The magnetic disk has a mass of 0.2 kg and radius 2m. Determine the magnitude of the angular acceleration of the disk? [please solve if you know]

Answers

The magnitude of the angular acceleration of the magnetic disk is determined as 35 rad/s².

Angular acceleration of the disk

The angular acceleration of the disk is determined from the principle of conservation of angular momentum as follows;

τ = Iα

where;

α is angular acceleration

I is moment of inertia of the disk

I = 0.5MR²

I = 0.5 x 0.2 x 2²

I = 0.4 kgm²

τ = Iα

α = τ/I

α = (14)/(0.4)

α = 35 rad/s²

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If you know that the period of a pendulum is 1.87 seconds, what is the length of that pendulum? (assume that we are on earth and that gravity is 9.81 meters/second². ) a. 0.87 centimeters b. 2.1 meters c. 1.6 meters d. 0.87 meters e. 8.3 meters

Answers

Answer:

  d.  0.87 meters

Explanation:

You want to know the length of a pendulum whose period is 1.87 seconds.

Period

The formula for the period of a pendulum in terms of its length is ...

  T = 2π√(L/g)

Length

Solving for length, we have ...

  T/(2π) = √(L/g) . . . . . . . divide by 2π

  (T/(2π))² = L/g . . . . . . . square both sides

  gT²/(4π²) = L . . . . . . . multiply by g

For the given period and value of g, we find the length to be ...

  L = 9.81·(1.87/π)²/4 ≈ 0.87 . . . . meters

The length of the pendulum is about 0.87 meters.

Answer:   d.  0.87 meters

Explanation: plato :)

Information about mars' moons.

Answers

Answer:

mars is a fourth planet of the sun and the second planet in the solar system

moon is a natural satellite of the earth it isthe fifth largest moon in the solar system

Explain the difference between average speed and average velocity. The average acceleration is the difference between the average speed and the average velocity. Average speed is measured in kilometers per hour, whereas average velocity is measured in miles per hour. There is no difference between average speed and average velocity; they are completely equivalent terms. The average speed, a scalar, is greater than or equal to the magnitude of the average velocity vector over the same time interval. The average speed, a scalar, equals the magnitude of the average velocity vector over the same time interval.

Answers

The average speed, a scalar, is greater than or equal to the magnitude of the average velocity vector over the same time interval. Option C is correct.

What is average velocity?

The average velocity is the ratio of the total distance traveled to the total time taken by the body. Its unit is m/sec.

A vector is a quantity or phenomena with magnitude and direction that are independent of one another. The phrase also refers to a quantity's mathematical or geometrical representation.

The distinction between average speed and average velocity is that the scalar average speed is larger than or equal to the magnitude of the vector average velocity during the same time frame.

Hence option C is correct.

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Please help 40 points!!!!
choose a scientist from (democritus, john dalton, jj thomson, ernest rutherford, niels bohr, erwin schrodinger or james chadwick) . conduct research using outside sources. be sure to choose reliable resources such as government, scientific, and educational websites. document all research in your own words. be sure to properly cite all sources used in your assignment.
research and respond to the following:


what were experiences in his life that led to his interest in science and the study of the atom? (3-5 sentences paraphrased)


defend his work on the atom and its contribution to the modern atomic model. (3-5 sentences paraphrased)


point out which contributions are present in the modern atomic model and which were eventually disproven and thus are not part of the modern model. (3-5 sentences paraphrased)


works cited: list all of the websites used to find the information. you should have at least 2.


Answers

The answers to all the research related questions are written below.

What is atom?

Atom is the smallest unit of the element. Different elements have different size atoms and same element have same size atoms.

James Chadwick tracked down the neutron in 1932 and was conceded the Nobel Prize for science in 1935  held in a German prison camp for all of World War 1, he driven the British gathering inside the Manhattan Extend, in which the UK and Canada maintained the USA's World War 2 effort to build the world with nuclear bomb.

Chadwick and Rutherford were the first scientists who measured the nucleus radius using the alpha particles. He did Gold foil experiment to find the size of nucleus.

The contributions are present in the modern atomic model. They are: All matter consists of atoms. Atoms of the same element are the same in size and atoms of different elements are different. Atoms combine in whole-number ratios to form compounds.

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I want to know what is the pressure of the stratosphere simple numbers
I’m in 6 grade

Answers

Answer:

This region of increasing temperatures is the stratosphere, spanning a pressure range from 100 millibars at its base to about 10 millibars at the stratopause, the top of the layer.

Explanation:

A ball is dropped and accelerates downwards at a rate of 10m/s^2 for 12 seconds how much will the ball's velocity increase by?

Answers

Answer:

120 m/s

Explanation:

acceleration = velocity/time

10m/s^2 = velocity / 12seconds

10*12 = velocity

120m/s = velocity

calculate the work done in kilo joules in lifting a mass of 20kg at steady velocity through a vertical height of 20m

Answers

Answer:

[tex]\huge\boxed{\sf Work\ done = 4 kJ}[/tex]

Explanation:

Since work done is in the form of potential energy, we will use the formula of potential energy here.

We know that,

P.E. = mgh

Where,

m = mass = 20 kg

g = acceleration due to gravity = 10 m/s²

h = vertical height = 20 m

So,

Work done = mgh

Work done = (20)(10)(20)

Work done = 4000 joules

Work done = 4 kJ

[tex]\rule[225]{225}{2}[/tex]

How is a simple machine different from a compound machine?

Answers

a compound machine is made of several simple machines

the difference is like a tree and a jungle

When object 1 came into contact with object 2, object 2 got warmer. what can be concluded about the objects before they came into contact with each other? object 2 did not have thermal energy. object 1 had faster-moving particles. object 1 had less thermal energy. object 2 had fewer particles.

Answers

The statement that is true regarding the objects is that object 1 had faster-moving particles, which is option 2. Details about matter can be found below.

What is matter?

Matter can be defined as any particle that has weight and occupies space.

Certain particles are present in the different states of matter. According to this question, when object 1 came into contact with object 2, object 2 got warmer.

This suggests that the particles in the object 1 is moving faster due to an increase in temperature.

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Answer: b

Explanation: i took the quiz

The earth’s orbit around the sun is elliptical. What does this word mean?.

Answers

Answer:

An elliptical orbit is the revolving of one object around another in an oval-shaped path called an ellipse. The planets in the solar system orbit the sun in elliptical orbits. Many satellites orbit the Earth in elliptical orbits as does the moon.

Angling of the focal track of the anode to create a large actual focal spot and a smaller effective focal spot describes (the):

Answers

Angling of the focal track of the anode to create a large actual focal spot and a smaller effective focal spot describes the line focus principle

What is the line focus principle?

The line focus principle states that as the anode angle is reduced, the actual focal spot also becomes small but the heat loading is increased.

It also explains the relationship between the anode surface and the effective focal spot size.

As a result of this, by angling the target, effective area of the target is made much smaller that the actual area of electron interaction.

Hence, angling of the focal track of the anode to create a large actual focal spot and a smaller effective focal spot describes the line focus principle.

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Calculate the mass of air of density 1.2kgm-3 in a room of dimensions 8m by 6m by 4m.

Answers

Answer:

230.4kg

Explanation:

volume of the room = l× b×h

volume= 8×6×4

volume=192m3

density= mass/volume

hence mass= density × volume

mass= 1.2kgm-3 × 192m3

mass= 230.4kg

Cool air tends to...
A. Be less dense and flow over warm air.
B. Be lifted up by more dense warm air.
C. Be more dense and flow under warm air.
D. Mix easily with warm air masses.

Answers

Answer: C. Be more dense and flow under warm air.

Explanation:

think of a supermarket selling dairy products and when you open the fridge to get the milk, outside the supermarket is hot and inside the fridge is cold ice.

A monkey is chained to a stake in the ground. The stake is 3.00 m from a vertical pole, and the chain is 3.40 m long. How high can the monkey climb up the pole

Answers

From the calculation and based on the Pythagoras theorem, the monkey will climb 4.5 m.

What is the Pythagoras theorem?

The Pythagoras theorem is based on the sides of the right angled triangle. It states that the square of the longest side is equal to the square of the other two sides.

Thus;

c= √3^2 + 3.4^2

c = 4.5 m

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Maintaining at least a 1-second space margin from the vehicle in front of you not only provides you with visibility, time, and space to help avoid rear-end crashes, but also allows you to steer or brake out of danger at moderate speeds. Select one: True False

Answers

Answer:

True -

60 mph = 60 mph * 5280 ft /hr / (3600 sec/hr)  = 88 ft/sec

At 60 mph one would travel 88 ft in 1 second

A roller coaster car moving at a velocity of 30 meters/second has a momentum of 2.5 × 104 kilogram meters/second. what is its mass? a. 85 kilograms b. 8.3 × 102 kilograms c. 7.6 × 102kilograms d. 7.6 × 103 kilograms e. 7.6 × 104 kilograms

Answers

The mass of a rollercoaster car moving at a velocity of 30 meters/second and has a momentum of 2.5 × 104 kilogram meters/second is 8.3 × 10²kg.

How to calculate mass?

The mass of the roller coaster car can be calculated using the following formula:

P = m × v

Where;

P = momentumm = massv = velocity

m = 2.5 × 10⁴ ÷ 30

m = 8.3 × 10²kg

Therefore, the mass of a rollercoaster car moving at a velocity of 30 meters/second and has a momentum of 2.5 × 104 kilogram meters/second is 8.3 × 10²kg.

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Our Sun has a peak emission wavelength of about 500 nm and a radius of about 700,000 km. Your dark-adapted eye has a pupil diameter of about 7 mm and can detect light intensity down to about 1.5 x 10-11 W/m2. Assume the emissivity of the Sun is equal to 1. First, given these numbers, what is the surface temperature of the Sun in Kelvin to 3 significant digits

Answers

The surface temperature of the Sun in Kelvin to 3 significant digits is 0.127 K.

Surface temperature of the Sun

The surface temperature of the sun is determined by using the following equations as shown below;

P/A = σT⁴

I = σT⁴

where;

I is intensity of the light = 1.5 x 10⁻¹¹ W/m²σ is Boltzmann constant =  5.67 x 10⁻⁸ W/m²K⁴

T⁴ = I/σ

T⁴ = (1.5 x 10⁻¹¹)/ (5.67 x 10⁻⁸)

T⁴ = 2.65 x 10⁻⁴

T = (2.65 x 10⁻⁴)^¹/₄

T = 0.127 K

Thus, the surface temperature of the Sun in Kelvin to 3 significant digits is 0.127 K.

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Which quantity is a vector quantity?
A.
displacement
B.
distance
C.
mass
D.
temperature
E.
volume

Answers

Answer:

Displacement...

Explanation:

Displacement is a vector quantity as it have both magnitude and direction...

[tex]...[/tex]

a. displacement is the correct answer

Displacement is a vector quantity

EXPLANATION

Displacement is a vector quantity because it has both magnitude and direction.

A machine is used to convert heat energy into work energy, and is connected to a cooling system which keeps the machine at a constant temperature. If 2000 kJ of heat energy enter the machine, and the machine performs 700 kJ of work,

how much heat energy must still be removed by the cooling system?

Remember What the law of Conservation of energy says about the total energy before and after a transformation.

Answers

The amount of heat energy that must still be removed by the cooling system is 1300 kJ.

Conservation energy

The total energy before and after a transformation must be equal.

Based on this principle, the heat energy that must still be removed by the cooling system is calculated as follows;

Input heat energy = out put heat energy

E = h + w

2000 kJ = h + 700 kJ

1300 kJ = h

Thus, the amount of heat energy that must still be removed by the cooling system is 1300 kJ.

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A boat going from salt water (sg = 1. 03) to fresh water (sg=1. 0) sinks 7. 82cm and after burning 72,730kg of coal rises up by 15. 24cm. Find the original displacement of the boat in seawater in kn

Answers

The original displacement of the boat in seawater in km is 7.42 x  10⁻⁵ km.

What is displacement?

The shortest path traveled by any particle during its motion.

A boat going from salt water to fresh water sinks 7. 82cm. After burning coal, the boat rises up by 15. 24cm.

Displacement = 15.24 -7.82 = 7.42 cm

1cm = 10⁻⁵ km

So, 7.42 cm =7.42 x  10⁻⁵ km

Thus, the original displacement is 7.42 x  10⁻⁵ km.

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Calculate the work done by a crane of power 80,000W in 60 seconds.

Answers

Answer:

48MJ

Explanation:

Formula :

Work done = Power × time

============================================================

Given :

⇒ Power = 80,000 W = 80kW

⇒ Time = 60s

=============================================================

Solving :

⇒ Work done = 80kW × 60s

⇒ Work done = 4800kJ

⇒ Work done = 48MJ (megajoule)

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During therapy sessions, gerrys therapist often rephrases things that gerry has said or asks for clarification. This action is consistent with what aspect of client-centered therapy? frank says that he typically makes about $27 per day because the mode is 27. is frank's conclusion appropriate? explain. Kenzie makes quilts from blue and purple pieces of fabric. The diagram shows the ratio of blue pieces topurple pieces.Blue piecesPurple piecesThe table shows the number of purple pieces and the number of total pieces that Kenzie will make on twoof her quilts.Based on the ratio, complete the missing values in the table.Quilt Purple pieces Total piecesA 56B 20 Which text evidence best supports the authors' claim about plantations?"The Muslims worked out a new form of farming to handle sugar, which came to be called the sugar plantation.""By contrast, the plantation had only one purpose: to create a single product that could be grown, ground, boiled, dried, and sold to distant markets.""Since one cannot live on sugar, the crop grown on plantations could not even feed the people who harvested it.""The mill was right next to the crop, so that growing and grinding took place in the same spot." Solve the system of equations using substitution.y=x+2,5x-4y=-3 The fact that women often feel pressured to conform to societys expectations is a common feminist theme found within literature. As this theme appears within part two of trifles, which pair of symbols most strengthens this theme?. 6. In both Mr. Jacquez's Math 2 classes, Period 2 and Period 3 were given the same test. The table below shows the results from the two classes. a. Find the probability that a randomly selected student from Period 2's class failed the test. b. Find the probability that a randomly selected student who failed the test is from Period 3's class.*would help out big time if someone could help me out, thankyou* Simplify the expression 3x(x 12x) + 3x2 2(x 2)2. Which statements are true about the process and simplified product? Select three options If 23.0 g of Na react completely with 35.5 g of Cl2 to form 58.5 g of NaCl, what mass of Cl2 is required to react completely with 10.0 g of Na Type a digit that makes this statement true.64,638,73 is divisible by 3. Which of the following indigenous groups conquered other native peoples of Mexico and established the city of Tenochtitln?AnswersA.MayanB.AztecC.IncanD.Yucatec "En el expreso, al Norte" de Ray Bradbury, es una Crnica o Relato de viaje? multiply: (a+b),(a+b) and (a+b) What is the Noble-gas notation for sodium?O [Ar]3s 1O [He]2s2p 3s[Ne]3s3p4O[Ne]3s Which polynomial function has a leading coefficient of 1 and roots (7 i) and (5 i) with multiplicity 1? f(x) = (x 7)(x i)(x 5)(x i) f(x) = (x 7)(x i)(x 5)(x i) f(x) = (x (7 i))(x (5 i))(x (7 i))(x (5 i)) f(x) = (x (7 i))(x (5 i))(x (7 i))(x (5 i)) Choose what you believe to be the five most important events and the five most influential people leading up to the founding of America during 1492 to 1620. Explain why you chose each event and each person. Which answer best describes ppe on the hierarchy of controls to protect workers?. The definition of a circle uses the undefined term _______.O arcO lineO planeO ray If you are in the 15% tax bracket, your wholeincome is taxed at that rate.TrueFalse One characteristic of an absolute monarchy includes.