Environmental science is the study of
a.) everything that surrounds an organism
b.) toxins in the air
c.) the living things that affect an organism
d.) the history of earth

Describe two recent or ongoing space missions.

Radiometric dating is used to tell the absolute age of materials by studying the decay rate of radioactive isotopes. the decay rates of isotopes are constant and are expressed as .

What function does a limb serve in each animal how are the limb bones of the four animal similar based on the similarities what can be inferred about the evolution of the poor animals