To return earth to normal, which action should the heroine of the story take?

What word is used to describe differences of individual organisms

Fossils can only be formed when? if mud, silt or tar is in the area to preserve the fossil ierosion does not occur and allows the fossil to form oxygen and microorganisms cannot decay the bones the area is dry and does not contain mud or silt

Differentiation of cells changes the nucleic information. true false