<span>the one that is NOT a factor in efficiency is: D. digestion
highest effiiency refer to a condition when your body is capable to perform with a great result with the least amount of effort.
Digestion does not necessarily infliuence the musle movement in your body and therefore could not be considered as one of the factors</span>
Answer:
The rapid increase of human population is putting an incredible strain on our environment. ... One of the largest environmental effects of human population growth is the problem of global warming. Some scientists fear that global warming will lead to rising sea levels and extreme weather conditions in the future.
<span>A.it increases the efficiency with which the body delivers oxygen and nutrients to its cells</span>
no. Being a cannibal means that you eat your own spechies