Brown tan or rusted colored
They have evolved into the best length for their environment.
A:Incineration I think sorry if I’m wrong
There's so much confusion going on between<span> the acronyms </span>RER<span> and RQ. At the state of rest the </span>RER<span>, completely known as the </span>respiratory exchange ratio<span>, is actually the same as RQ or </span>respiratory quotient<span>. ... The RQ is a metabolic </span>exchange<span> of gas </span>ratio<span> that is equal to CO2 production over oxygen uptake </span>
