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Ainat [17]
3 years ago
14

Which of the following statements about the carbon cycle is NOT true?

Chemistry
2 answers:
horsena [70]3 years ago
7 0

Answer:

plants consume carbon through transpiration.

Explanation:

<em>Transpiration is simply a process whereby plant loses water to the environment in form of moisture or vapor. It can happen via the stomata, lenticels or cuticles of plants.</em>

Transpiration has nothing to do with plant's consumption of carbon. Plants fix carbon into their system through the process of photosynthesis during which CO2 in the atmosphere is utilized to synthesize glucose.

Carbon is an important element for all living organisms, hence, plants also needs carbon to grow.

Carbon from decomposed plants is truly a source of fossil fuel. Decayed plants form combustible geologic deposits deeply buried in the soil and ends up forming coal, crude oil, natural gas and other forms of fossil fuel.

Therefore, the only untrue option is the one claiming that plants consume carbon through transpiration.

nalin [4]3 years ago
3 0

Answer:

Plants consume carbon through transpiration

Explanation:

In transpiration, plants lose water vapor through the stomata in their leaves. No carbon is involved in transpiration, which has an outbound direction. Nothing can be consumed through the stomata when vapor is going out of the plant. It´s like trying to get in through the exit.

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Which of the following statements is true?
frez [133]
Answer: D

Explanation: Convection transfers heat by movement such as air and water.
3 0
2 years ago
The volume of a fixed amount of gas is doubled, and the absolute temperature is doubled. According to the ideal gas law, how has
neonofarm [45]

Answer:

Option A. It has stayed the same.

Explanation:

To answer the question given above, we assumed:

Initial volume (V₁) = V

Initial temperature (T₁) = T

Initial pressure (P₁) = P

From the question given above, the following data were:

Final volume (V₂) = 2V

Final temperature (T₂) = 2T

Final pressure (P₂) =?

The final pressure of the gas can be obtained as follow:

P₁V₁/T₁ = P₂V₂/T₂

PV/T = P₂ × 2V / 2T

Cross multiply

P₂ × 2V × T = PV × 2T

Divide both side by 2V × T

P₂ = PV × 2T / 2V × T

P₂ = P

Thus, the final pressure is the same as the initial pressure.

Option A gives the correct answer to the question.

3 0
3 years ago
Please help ————//-//
grandymaker [24]
Probably b because soil can’t be the exact same and so that cancels out a and d
6 0
3 years ago
Read 2 more answers
How can there be more than 1000 different atoms when there are only about 100 different elements?
LekaFEV [45]
Actually, there are only about 100 atoms that have been yet discovered. But each element has many different kinds of atom. For instance, carbon. Do you know carbon has more than 30 or 50 different types of atoms? Well, how? There are isotopes. Don't think that there is only one carbon atom which has 6 electrons and 6 protons and 6 neutrons. There are more. C-13 has 6 electrons and 6 protons and 7 neutrons. While, C-14 has 6 electrons and 6 protons and 8 neutrons. I just showed you three stable isotopes of carbon(element). But, what is really an isotope?? Did you notice that all of these atoms had the same number of protons and electron but different numbers of neutrons? This is really an isotope. Well, if an atom takes a few more electrons or gives off a few electrons, it still stays the same element/ atom type. Just like that an element can have atoms of different neutron number. It may be less or more. It doesn't affect the atom much: just makes an isotope. But it does affect the atomic mass number or radioactivity of an atom. So, an element can have many different forms of isotopes of its atoms. In this way, being only 100 atoms, there can 1000 atoms or (more than that!). 

To make it more clear-

Definition of ISOTOPE: <span>any of two or more forms of a </span>chemical<span> element, having the same number of protons and electrons in the nucleus, or the same atomic number, but having different numbers of neutrons</span>

HOPE YOU UNDERSTOOD THE MATTER:-))


8 0
3 years ago
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27 g of Al will react with how much mass of O2 to produce Al2O3
snow_tiger [21]
24g 4Al+3O2=2Al2O3
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108 96
X=24g
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3 years ago
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