Both human activity and natural forces contribute to the levels of carbon dioxide in the atmosphere. which of the following contributors is caused solely by human activity?

a. volcanic eruptions
b. forest fires
c. using fossil fuels for energy
d. respiration

What do many animals use for transport

Asap indicate the coat color and the proportion of offspring with that color for each of the following crosses of rabbits. assume all are homozygous. alleles: a=agouti, c=chinchilla, a=albino, a is dominant over c and a, c is dominant over a agouti x chinchilla a) 1/2 chinchilla, 1/2 agouti b) 3/4 chinchilla, 1/4 agouti c) all agouti

Which term describes a normal value for something in the body? a.homeostasis b.set point c.feedback loop d.integration center