Answer:
It is secondary succession.
Explanation:
primary succession only occurs in areas where there was no previous ecosystem
In the production of maple forest over the 1,000 years period, there has been the presence of the lake. Thus the production in the lake has been the secondary succession.
The primary and secondary succession has been the development process in the ecosystem. The ecosystem development can be taken place when there has been no previous vegetation, or when there has been the available ecosystem.
The primary succession can result when there has been no available previous ecosystem. The secondary succession can take place when there has been a previously existing ecosystem.
In the production of maple forest over the 1,000 years period, there has been the presence of the lake. Thus the production in the lake has been the secondary succession.
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500 gram of flour added with 1L of water anong lalagyan o bottle magkakasya ang 500gram of flour ang 1L of water
Answer:
it will become a bread
Explanation:
net Mass will become 1.5 liter
What do these two changes have in common?
an old sandwich rotting in a trashcan
and baking cookies
compound name of SO2
What is the Independent and Dependent Variables for this experiment?
"How does the amount of salt in water affect how an egg floats?"
please help!!
Answer:
The egg is the dependent variable and the salt is the independent variable.
Explanation:
The dependent variable is something that stays the same throughout the experiment. The independent variable is something that might not stay the same throughout the experiment. The egg does not change because we're using an egg and not an egg and then a tomato or a potato, but the salt does change because we're changing the amount of salt in the bowl/plate or anything else that we are using to perform this.
This is kinda long but it explains mostly everything. DM me for more dependent and independent variable help.
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Select 5 elements that form ions in an isoelectronic series with the noble gas Argon. Support your claim with evidence and scientific reasoning.
Answer:
Explanation:
Describe how evaporation relates to heat regulation in your body.
Please help me thank you! Stay safe
Answer:
number 3
Explanation:
Explanation:
it's the third graph
values are put directly without scaling
:
Core is to Hot Iron AS Mantle is to:
A. Rigid Crust
B. Fragile Crust
C. Hard Rocks
D. Molten Rock
.
The first energy level which has f orbitals to fill is
A. 3
B.4
C.5
D.2
Answer:
the answer is 4 because 3 just have d orbitals
What are 3 common household items that you can identify 2 chemical properties if the item
Answer:
vacuum
Explanation:
because the government to take a look at the end of the day it was do people I
NEED HELP ASAP! BRAINLEST + THANKS!
if three electrons are available to fill three empty 6p atomic orbitals, how will the electrons be distributed in the three orbitals
a.) one electron in each orbital
b.)two electrons in one orbital, one in another, none in third
c.) three in one orbital, one in other two
d.) cannot be predicted, determined by random chance
Answer:
A) one electron in each orbital
Explanation:
Orbitals get electrons one at a time. If there are three electrons and three empty orbitals, then one electron will go into one orbital!
A student combines two clear liquid chemicals together in a beaker. When the two chemicals are combined, bubbles are formed, the solution turns blue, and you can see flakes of something forming on the bottom of the beaker. Is this a physical or chemical change? Why?
Answer:
chemical change
Explanation:
A physical change is one that makes changes to the physical properties of matter. In many cases, the difference is usually reversible. Examples include boiling, melting, freezing, the magnetization of metals, etc.
A chemical change is one in which a new kind of matter is formed. It is usually accompanied by energy changes, i.e., the evolution or absorption of energy in the form of heat or light. This process is not easily reversible. Examples include; combustion, rusting of iron, precipitation, the souring of milk, etc.
From the question given, the combination of two clear liquid in a beaker which results to formation of bubbles and changes in coloration of the solution is a chemical change.
Why does an ion have a charge
Help please:)
Answer:
An ion is charged because the number of electrons does not equal the amount of particles.
Explanation:
Can be positive (meaning more protons than electrons) and it can be negatively charged (meaning there are more electrons than protons).
Hope this helps!
Answer:
An ion has a charge because the number of electrons dont equal the amount of protons in the molecule or atom.
Explanation:
The negative or positive charge depend on wether the atom or molecule has more electrons(-) or protons(+).
Explain three ways the periodic table is organized. Include in your essay the
definition of two listed trends and the patterns observed for each of your selected
trends on the periodic table
Answer:
The periodic table is organized in non-metals metals and metalloids, in in terms of trends and patterns you may want to talk about the the density of the elements or the mass of per unit of measurement of whatever you're going to use sorry that could be much help but I hope it helps.
A dull metal object has a density of 8.8 G/ML and a volume of 20 ML calculate the mass
Answer:
Mass = 0.000176 gram
Steps:
m = V × ρ
= 20 milliliter × 8.8 gram/cubic meter
= 2.0E-5 cubic meter × 8.8 gram/cubic meter
= 0.000176 gram
Explanation:
how many elements belong to the Halogen family? list the member element by thier symbol.
Answer: six elements
Explanation: fluorine (F), chlorine (Cl), bromine (Br), iodine (I), astatine (As), and tennessine (Ts)
Answer:
there are six elements
during a labaratory experiment a sample of aluminum is found to have a mass of 12.50 grams and a volume of 4.6 millititers what is the density of this samplw expressed to thw correct number of significant figures
Answer: download socratic for those type of answer it will give you GREAT ANSWERS !!
Explanation:
What is tetanus? What are the symptoms and consequences of the disease? Who is at risk of developing tetanus? How do vaccines work? What is the history of the tetanus vaccine? Who should receive the tetanus vaccine? When should people receive the tetanus vaccine? Why is this schedule important? Has there been a change in tetanus incidence in the United States since the vaccine became available? What are the risks of vaccination versus non-vaccination? Do the risks outweigh the benefits? Are there areas in the world in which tetanus is prevalent? If so, does this affect the recommendations for US vaccination?
Answer:
The tetanus vaccine is a dose of the bacterium Clostridium Tetani, in inactive form or even a surface molecule that helps the body to actively form the antibody.
The tetanus vaccine has coverage for life, it is mandatory in those countries where the disease became common, such as the USA, Argentina, Chile, Uruguay among others.
Before a surgical act or a suspicion of exposure with this bacterium, the booster of the tetanus vaccine should be administered quickly.
Explanation:
Tetanus disease generates a tetanization of all the muscles of the organism, generating spasmodic contractions, which make it impossible to function and develop life when it affects the diaphragm as it makes breathing impossible.
Tetanization does not affect differently in age or sex, it only consists of contamination with the bacteria to be sufficient.
The sources of contagion are areas of mud or earth, rusty cutting or sharp elements, and poorly hygienic or abandoned areas. In order for the bacteria to be transmitted or the transmission route to be fulfilled, there must be a lesion of loss of continuity of the epithelium or mucosa.
A 1.00-L flask is filled with 1.00 moles of H2 and 2.00 moles of I2. The value of the equilibrium constant for the reaction of hydrogen and iodine reacting to form hydrogen iodide is 50.5 under the given conditions. What are the equilibrium concentrations of H2 , I2 , and HI in moles/L? H2 (g) + I2 (g) ⇌ 2HI(g)
Answer:
[tex] C_{H_{2}} = 0.07 M [/tex]
[tex] C_{I_{2}} = 1.07 M [/tex]
[tex] C_{HI} = 1.86 M [/tex]
Explanation:
The reaction is:
H₂(g) + I₂(g) ⇄ 2HI(g)
Initially, we have the following concentrations of H₂ and I₂:
[tex] C_{H_{2}} = \frac{n}{V} = \frac{1 mol}{1.00 L} = 1 mol/L [/tex]
[tex] C_{I_{2}} = \frac{n}{V} = \frac{2 mol}{1.00 L} = 2 mol/L [/tex]
Then, in the equilibrium we have:
H₂(g) + I₂(g) ⇄ 2HI(g)
1-x 2-x 2x
[tex] Kc = \frac{[HI]^{2}}{[H_{2}][I_{2}]} = \frac{(2x)^{2}}{(1-x)(2-x)} [/tex]
[tex] 50.5*(1-x)(2-x) - (2x)^{2} = 0 [/tex]
By solving the above equation for x we have:
x₁ = 2.32 and x₂= 0.93
Hence, the concentrations of H₂, I₂ and HI are:
[tex] C_{H_{2}} = 1-x = 1 - 0.93 M = 0.07 M [/tex]
[tex] C_{I_{2}} = 2-x = 2 - 0.93 M = 1.07 M [/tex]
[tex] C_{HI} = 2*x = 2*0.93 M = 1.86 M [/tex]
I hope it helps you!
A high concentration of hydrogen ions means a solution is what?
A. very acidic
B. neither acidic or basic
C. neutral
D. very basic
Which indicates that thermal energy is no longer being transferred from boiling water to a mug?
The mug and the water lose all thermal energy.
The water is hotter than the mug.
The mug is hotter than the water.
The water and the mug are the same temperature.
Answer:
Which indicates that thermal energy is no longer being transferred from boiling water to a mug?
The mug and the water lose all thermal energy.
The water is hotter than the mug.
The mug is hotter than the water.
•The water and the mug are the same temperature.
Explanation:
answer #D is correct
When the water and the mug are at the same temperature then thermal energy will no longer be transferred from the boiling water to the mug. Therefore, option (D) is correct.
What is thermal energy?Thermal energy is generated in a substance when an increase in temperature causes atoms and molecules to move at a faster speed and result in the molecules colliding with each other. The energy generated from the temperature of the heated material is called thermal energy.
Thermal Energy or internal kinetic energy is because of the random motion of molecules in the system. The thermal energy of any system is directly proportional to its temperature.
The more the temperature of the system, the more the movement of molecules within a given system, and the more the thermal energy of the system.
The thermal energy will be transferred from the boiling water to the mug when the water is hotter than the mug. When both have the same temperature then the thermal energy is no longer being transferred from boiling water to a mug.
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What is the conversion factor used when converting mass to moles?
In such a conversion, we use the molar mass of a substance as a factor to convert that to mole units into mass units (or, conversely, mass units into mole units).
Then We also established that 1 mol of Al incorporates a mass of 26.98 g (Example). Stated mathematically that is, 1 mol Al = 26.98 g Al
Molar massNow, This relation provides a factor to travel from grams to moles.
which is help to Using the factor 98.08 g / 1 mol: grams H 2 SO 4 = 3.60 Then mol x 98.08 g / 1 mol = 353 g H 2 SO 4
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Please help me
Identify each thermal energy scourge as Conduction (A) Convection (B) Radiation (c)
Answer:
I think it is...
1) A
2) C
3) A
4) B
5) A
6) C
Explanation:
I'm so sorry that I'm so late, I just wanted to answer it to help you. I don't know if you got graded on it already, but hey, I tried :)!
What’s a prefix for -4?
A: cuatra
B:quater
C:-tetra
D:-tretis
What happens to an egg that is not fertilized?
OIt is reabsorbed by the body
O It travels back up the fallopian tube.
OIt exits during childbirth.
O It is released during menstruation
Answer:
D. It is released during menstruation
Explanation:
The egg that is not fertilized is released during the process of menstruation.
What is menstruation?
Menstruation (also known as a period, among other colloquial terms) is the regular discharge of blood and mucosal tissue from the inner lining of the uterus through the vagina. The menstrual cycle is characterized by the rise and fall of hormones. Menstruation is triggered by falling progesterone levels and is a sign that pregnancy has not occurred.
The first period, a point in time known as menarche, usually begins between the ages of 12 and 15.Menstruation starting as young as 8 years would still be considered normal.The average age of the first period is generally later in the developing world, and earlier in the developed world. The typical length of time between the first day of one period and the first day of the next is 21 to 45 days in young women. In adults, the range is between 21 and 31 days with the average being 28 days.
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Read this passage from "The Secret Life of Walter Mitty."
"Puppy biscuit," said Walter Mitty. He stopped walking and the buildings of Waterbury rose up out of the misty courtroom and surrounded him again.
A woman who was passing laughed. "He said ‘Puppy biscuit,’" she said to her companion. "That man said ‘Puppy biscuit’ to himself."
What does the dialogue in the excerpt show about Mitty?
He is awkward and absentminded.
He is responsible and conscientious.
He is funny and entertaining.
He is sour and nasty.
Answer:
He is awkward and absentminded.
Explanation:
"The Secret Life of Walter Mitty" by James Thurber presets the story of Walter with a dream. The beginning of the story reflects on the idea that the story is more inclined towards the dreams and fantasy-full world rater than reality. Walter's dreams are a mixture of reality and his imagination. He spoke certain words those do not have meaning in reality. He calls himself 'Puppy Biscuit" to which the women reacted with a laugh. This represented his absent-minded character and his appeal towards is dreams.
i need help please!
asap
Answer:
Earth is pulling up on the book with a force of 4n i think
Explanation:
explain the relationships that are present between the frequency, wavelength, and amplitude of a wave in 3 to 5 sentences.
Answer:
Wavelength refers to the length of a wave from one peak to the next. The amplitude or height of a wave is measured from the peak to the trough. The wavelength is measured from peak to peak. Wavelength is directly related to the frequency of a given wave form.
Why do most metals exist in nature as minerals rather than as pure metallic elements?
What purpose do neutrons serve in the nucleus ? What happens if there are too many or too few neutrons?
Answer:
These nuclei with different numbers of neurons are called isotopes
Answer:
neutrons' main function is to attract each other and keep the nucleus of an atom intact. a nucleus will become unstable if there are too many or too few neutrons in it.
Explanation:
too many= it will undergo beta decay (the neutrons will changes into proton)
too few= there will be an imbalance between forces which leads to nuclear imbalance