Which statements about Earth’s atmosphere are correct? Check all that apply.

What type of organism is a one-celled organism that functions as a single unit? a. bi-celled b. single-celled c. pre-celled d. multi-celled

Other than earth, is also known to have magnetic pole reversal? a: venus b: mars c: earths moon d: the sun

Photosynthesis uses co2 and cellular respiration produces co2. we call the point when the two processes are in balance--when there is no net production of co2--the compensation point. how might you limit one of the processes in order to achieve a compensation point?