For practice, type in the name of the set of positions occupied by the three oxygen atoms:

Consider the last statement in the prompt: "people take such environmental factors into account in their choices when deciding where to live." do all people have a choice as to where they live? what factor plays a key role in this decision and may therefore play a large role in determining quality of life?

Compare the composition of the moon's surface with the composition of the earth's surface.

2. given that most biochemical (other than coal) rocks react with hydrochloric acid, what does that tell you about organisms?