jnavas71 jnavas71

30-03-2020
Chemistry

contestada

A tree uses gas A to produce gas B. An animal uses gas B to produce gas A. What is gas B in this cycle?

A. oxygen

B. nitrogen

C. carbon dioxide

D. carbon monoxide

Respuesta :

dinahmarie dinahmarie

30-03-2020

Answer:

A Oxygen

Explanation:

this is because plants use carbon dioxide to produce oxygen and humans/animals use oxygen to produce carbon dioxide.

Answer Link

charleighy charleighy

30-03-2020

A plants produce oxygen and humans take it in

Answer Link

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