Answer:
Should be D. Breathable gases
Explanation:
The carrying capacity of an environment is the maximum population size of a biological species that can be sustained by that specific environment, and abiotic factors are non-living chemical and physical parts of the environment that affect living organisms and the functioning of ecosystems.
The most appropriate answer is D !
in respiration oxygen and glucose( food substance) combines to form energy and CO2 !
Because people are always growing and being born.
Producers create food by them selves from the sun but consumers eat the producers they both consume food. But the consumers get less energy than the consumers cause they pass on less energy than they consume hope it helps
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