The carbon lives in the plant or animal and when it dies, nitrogen sinks into the soil which is used as nutrients for plants.
Answer:
A. Type of soil
Explanation:
A control experiment is the one that is used to checkmate the real experiment.
In this case, the fourth jar that contains the mixture of all the types of the soil is considered as the control experiment.
In a nutshell, it should be generally understood here that the type of soil serves as the control for the experiment.
Answer:
who is that ? and what are fruit flies ?
Explanation:
Its conducted by the conjugation of two mature cells
Explanation:
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