Troposphere.
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Answer:
The amount of CO2 found in the atmosphere varies over the course of a year. Much of this variation happens because of the role of plants in the carbon cycle. Respiration happens all the time, but dominates during the colder months of the year, resulting in higher CO2 levels in the atmosphere during those months.
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Answer: The number of protons in one atom of an element determines the atom's identity, and the number of electrons determines its electrical charge.
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Answer:
H. It represents the actual size but it is big enough for the eye to see making it extrememly accurate
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Answer:producing sex gamete
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