All carbonate minerals contain the elements a. silicon and oxygen

b. carbon and three oxygen atoms

c. carbon dioxide and oxygen

d. sulfur and four carbon oxygen atoms

Rank the three variables in terms of how strongly they affect the "species" composition of the bacterial communities. place the variable with the weakest effect on the left and the variable with the strongest effect on the right.

Why is the theory of evolution important? it disproves all other theories about how life began. it provides a topic for debate. it is a unifying concept in biology. it explains how life began. i know for sure, it is not "it is a unifying concept in biology."

When a gasoline engine burns gasoline, what type of chemical reaction is occurring?