the role of plants in carbon cycle
Explanation:
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 carbon cycle...respiration occurs all the time, but domains during the colder months of the year, resulting in higher CO2 levels in the atmosphere during those months.
Palm trees mostly live in the Desert..
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Blood is constantly processed by some excretory organs even though it is not excreted by the excretory system.
