The oxygen-carbon dioxide cycle involves the conversion of oxygen to carbon dioxide and back through living organisms. Please select the best answer from the choices provided T
F

Most Living organisms breathe in oxygen and breathe out carbon dioxide so looking at the phrasing it appears to be false.

Explanation:

the europeans in the caribbean colonies had to turn to africans to replace the native peoples as slave it would be letter a

5.4%

explanation:

the acceptance rate for harvard is 5.4%. this means only 5 percent of people who apply actually get accepted!