The sulfur and nitrogen compounds found in smog combine with water in the atmosphere to form

A)

ozone.

B)

CFC's.

C)

acid rain.

D)

greenhouse gases.

How do you think the theory of natural selection may be different today if Alfred Russel Wallace had published his findings first?

We have talked about the central and peripheral nervous systems. We know that the peripheral nervous system relays signals to and from the spinal cord. But this system is divided yet again.

At what velocity does the Pacific Plate move northwest, relative to the North American Plate?

Which of these is ATP? Which of these is ATP? a) A molecule consisting of three phosphate groups, deoxyribose, and guanine. b) A molecule consisting of three phosphate groups, ribose, and adenine.

What factors are required for cloning? A. DNA (genes) B. a living organism or plant C. creation from organic chemicals D. starting life from non-life

If earth didn't rotate what would be one major obstacle life would have to overcome

What are two key characteristics of cancer cells?

Why does the energy decrease as we go along the food chain from producers to tertiary consumers?

Whats a biotic factor scientists should control?

What is the connection between ocean acidification and deforestation