Can be a number of things, rain fall quota, climate, population, vegetation..any of those.
It take about an average of about 8min and 20sec
I am confused as to what your question is specifically asking but the chemical formula for aerobic respiration is:
Oxygen + Glucose --------> Carbon Dioxide + Water
O₂ + C₆H₁₂O₆ --------> CO₂ + H₂O
Hopefully this will aid you in answering your question :)
The answer is C.<span>The shell protects the crab from predators</span>
