The process of respiration is essential in the oxygen/carbon dioxide cycle. respiration removes from the atmosphere and produces and releases to the atmosphere
a)glucose, oxygen
b)oxygen, glucose
c)carbon dioxide, oxygen
d)oxygen, carbon dioxide

The process of respiration is essential in the oxygen/carbon dioxide cycle. Respiration removes OXYGEN from the atmosphere and produces and releases CARBON DIOXIDE to the atmosphere. answer is letter D.

Respiration driven by a mechanical series called inhalation and exhalation. We inhale or breathe in oxygen and exhale or breathe out carbon dioxide.