The greenhouse effect can be cause as the process by which the temperature of the surface of the earth increases because of the earth's atmosphere. On the molecular level, greenhouse effect will be caused by the molecules of the some chemicals, called as the greenhouse gases.
When the some of the infrared radiation coming from the Sun and passes through the atmosphere, but the most of it absorbed and it will re-emitted in all the directions by the greenhouse gas molecules and the clouds. This effect is to warm the Earth's surface and will the lower atmosphere.
As the infrared radiation and the heat will be trapped and the recycled in between the atmosphere and the planet, it will generates the heat cycle.
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A Punnett square is used to _______.
a
predict the genotypic and phenotypic probabilities of possible offspring
b
determine if a trait runs in a family
c
track inherited traits through many generations
d
identify organisms that are carriers of a specific trait
Answer:
your answer would be
A.predict the genotypic and phenotypic probabilities of possible offspring
Answer:
A is the correct answer
Explanation:
tell me if i got it right!
Which kind of worm has a closed circulatory system?
a planarian
a fluke
a pinworm
an earthworm
An earthworm has a closed circulatory system.
The earthworm has a closed circulatory system. An earthworm circulates blood exclusively through vessels. There are three main vessels that supply the blood to organs within the earthworm.
As important as they are alive for distributing nutrients and organisms and decomposing matter, worms are also very important in the food chain. They provide a crucial protein-rich source of food for other important species like birds, hedgehogs and frogs.
They may live up to eight years, though one to two is more likely. Full size for an earthworm varies among species, ranging from less than half an inch long to nearly 10 feet.
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15 POINTS!!
In the South Texas Plains, the Rio Grande River flows along the southern border of the state. The Rio Grande shapes the region through the processes of weathering, erosion, and deposition. Which of the following is an example of the river forming a depositional feature?
A.
As the water's speed decreases along the inside edge of a curve, sediment is laid down to form a point bar.
B.
As the water flows along the outside edge of a curve, it removes rock and soil from the river bank.
C.
As the water's speed increases, it scours deep grooves in the muddy river bottom.
D.
all of these
Answer:
A) As the waters speed decreases along the inside edge of a curve, sediment is laid down to form a point bar
Explanation:
Depositional landforms are the visible evidence of processes that have deposited sediments or rocks after they were transported by flowing ice or water, wind or gravity.
100 pts
HELP!!!!!!!!
Between steps 2 and 3, the chemical energy in the coal is converted to
electrical energy
mechanical energy
transitional energy
heat energy
Answer:
It Is Transitional Energy.
Explanation: I Took The Quiz And Got It Wrong. It Showed That Transitional Energy Was The Correct Answer.
Answer:
heat energy
Explanation:
After two alpha decays, Carbon-14 will become?
Answer:
Becomes Nitrogen-14
Explanation:
2. How are UVC rays different from UVA and UVB rays?
a. UVC rays are deflected by earth's atmosphere; UVA and UVB rays aren't
b. UVC rays can penetrate all the layers of your skin; UVA and UVB rays don't
c. UVC rays contain very little energy; UVA and UVB rays are very powerful
d. Sunblock can protect you against UVC rays, but not UVA and UVB rays
Answer: A.. for sure
Explanation:
Given the following reaction, how many molecules of H2O will be formed from 200.0g of NaOH?
2 NaOH + H2SO4 -> 2 H2O + Na2SO4
Answer:
30.11×10²³ molecules
Explanation:
Given data:
Mass of NaOH = 200.0 g
Number of molecules of water formed = ?
Solution:
Chemical equation:
2NaOH + H₂SO₄ → 2H₂O + Na₂SO₄
Number of moles of NaOH:
Number of moles = mass/molar mass
Number of moles = 200 g/ 40 g/mol
Number of moles = 5 mol
Now we will compare the moles of NaOH and H₂O.
NaOH : H₂O
2 : 2
5 : 5
Number of molecules of water:
1 mole contain 6.022×10²³ molecules
5 mol × 6.022×10²³ molecules / 1mol
30.11×10²³ molecules
how many atoms of carbon or one mole of glucose
Answer:
6 carbon atoms
Explanation:
For instance, we can say that one molecule of glucose has 6 carbon atoms, or we can say, equivalently, that one mole of glucose has 6 moles of carbon atoms
Which of the following is the best hypothesis?
*
A. I think the plants given acid will grow taller
B. The plants given acid will be smaller than the plants given only water
C.The plants given water will be better
D.I believe the plants given acid will be smaller
Answer:
b
Explanation:
i think it is b
Explain in a short sentence how you can tell if a reaction is a single replacement
reaction.
Explanation:
The reaction can be said to be a single replacement reaction if one substance in a chemical reaction is replacing another one.
For example:
A + BC → AC + B
In such reactions there is a replacement of a metallic ion in solution by a metal atom higher in the activity series than the metal in solution.
The relative positions of the two elements in the activity series provides the driving force for a single replacement reaction. If one element that is to replace another in a compound is more active, the reaction will occur. If it is less reactive, there will be no reaction.
what water has 97% of water
Answer:
ocean
Explanation:
because its easy
Please actually help me.
Thank you!
Answer:
The answer is Helium.
Explanation:
Scandium's atomic number is 21.
Sulfur's atomic number is 16
Lithium's atomic number is 3
Helium's atomic number is 2.
Therefore, the answer is Helium.
How many carbon atoms are in 2C7H5N3O6
Answer:
14
Explanation:
In a population of wheat,
variation in the height of
the wheat decreases
over time so that short
wheat plants survive
more than other heights.
If something is up higher it will have ________________ potential energy.
the same
more
less
Answer:
More
Explanation:
An equation that shows only the chemical formulas without
anything to indicate relative amounts is called a ______.
Answer: skeleton equation
Explanation:
ANSWER ASAP Which part of the picture shows evidence of matter scattering light waves in
many different directions?
O A. The color of the tree appears black against the sky.
O B. The image of the moon in the sky is incomplete.
OC. The image of the moon on the water's surface is distorted.
OD. The colors on the water's surface match the colors in the sky.
Answer:
The evidence of matter scattering light wave in many different directions is;
D. The colors on the water's surface match the colors in the sky
Explanation:
Light scattering is used to describe the sending of a given beam of light in many directions (by tiny particles) when the light passes through a medium, due to the disruption of the bath of the light ray as it bumps into the tiny particles
Water has the nature of absorbing the red light. The light that enters the water is scattered by the tiny particles in the water such that the blue light which is the spectrum of light water allows to pass through is reflected along with the reflection of the sky and the colors of the water surface match the colors of the sky.
Answer:
C.
Explanation:
I took the quiz
How many moles of Ca3N2 will be produced if you react 6.3 moles of Calcium with an excess (more than you need) of Nitrogen?
3Ca + N2→ Ca3N2
a) 18.9 moles of Ca3N2
b) 6.3 moles of Ca3N2
c) 2.1 moles of Ca3N2
Answer:
C
Explanation:
For every mol of Ca3N2 produced, you will need 3 mols of Ca
So the answer can be set up using a proportion.
3/1 = 6.3 / x Cross multiply
3x = 6.3 *1 Divide by 3
3x/3 = 6.3/3
x = 2.1
The answer is C
2.1 moles of Ca3N2 will be produced if you react 6.3 moles of Calcium with an excess nitrogen. Details about stoichiometry can he be found below.
How to calculate number of moles?The number of moles of a compound can be calculated as follows:
The chemical reaction between calcium and nitrogen is given as follows:
3Ca + N2→ Ca3N2
Based on the above reaction, 3 moles of calcium forms 1 mole of Ca3N2
Hence, 6.3 moles of calcium will produce 6.3/3
= 2.1 moles of Ca3N2
Therefore, 2.1 moles of Ca3N2 will be produced if you react 6.3 moles of calcium with an excess nitrogen.
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Which material has carbon atoms interspersed with iron atoms in its molecular structure?
0 hematite
0malachite
0 bauxite
0 steel
Answer:
steel should be correct
How is carbon(C)-14 is different from carbon(C)-12?
Explanation:
Carbon-12 and carbon-14 are two isotopes of the element carbon. The difference between carbon-12 and carbon-14 is the number of neutrons in each of their atoms. Atoms of both isotopes of carbon contain 6 protons. Atoms of carbon-12 have 6 neutrons, while atoms of carbon-14 contain 8 neutrons.
Which type of climate does Florida have due to its latitude?
How can the law of conservation of
mass for a chemical reaction be expressed?
Answer:
The law of conservation of mass states that mass in an isolated system is neither created nor destroyed by chemical reactions or physical transformations. According to the law of conservation of mass, the mass of the products in a chemical reaction must equal the mass of the reactants.
Explanation:
How does the concept of conservation of mass apply to chemical reactions? the reactants and products have exactly the same atoms. the reactants and products have exactly the same molecules. the change in the amount of matter is equal to the change in energy.
can someone help me with my qustions?
All of the following rivers are labeled on the map above except the __________ River.
A. Danube
B. Volga
C. Lena
D. Ob
Subscripts in a molecular formula indicate how many of each type of ____ can be found
Answer:
Atoms
Explanation:
The molecular formula uses chemical symbols to indicate the types of atoms followed by subscripts to show the number of atoms of each type in the molecule. :)
How many elements, compounds and atoms are in CH3COOH
Convert 4.5 x 10-3 to standard Notation
Posted today at 6:30 am
1
=
Answer:
0.0045
Explanation:
Scientific notation is the way to express the large value in short form.
The number in scientific notation have two parts.
The digits (decimal point will place after first digit)
× 10 ( the power which put the decimal point where it should be)
for example 4.5×10⁻³
In standard notation
4.5 / 10³
0.0045
The expanded notation is standard notation of writing the numerical values which is normal way. The numbers are written as they are, without the power of 10.
which element has two valence electrons in the s sublevel of the fourth energy level
"Religion and culture are also affected by the climate and topographic diversity."
Justify this statement
Answer:
In a survey of a group of people, it was found that 60 0f them have
business, 45 have government jobs, 125 have farming, 27 have business
only, 15 have government job only, 10 have business and government
job only, 5 have government job and farming only.
i) How many people have all the profession?
ii) How many people were there in a survey?
The movement of blood from your lungs to your heart is ______.
A. picks up nutrients, water, and waste materials
B. pulmonary circulation
C. the lungs, where it picks up oxygen again
D. capillaries
E. 5
F. systemic circulation
Answer:
B. Pulmonary Circulation
Explanation:
Pulmonary circulation moves blood between the heart and the lungs. It transports deoxygenated blood to the lungs to absorb oxygen and release carbon dioxide. The oxygenated blood then flows back to the heart.
Why do atoms form bonds or why do bonds form?
Answer:
Atoms form chemical bonds to achieve a full outer energy level, which is the most stable arrangement of electrons. A chemical bond is a force of attraction between atoms or ions
Explanation: