Saturn is approximately 1.5 billion kilometers from the sun. what is this distance in au?
a.) 10 au
b.) 100 au
c.) 1,000 au
d.) 0.1 au

How are the testes and ovaries similar? a. both produce sex cells. b. both connect internal reproductive organs to the exterior. c. both transport sex cells from their site of production. d. both store mature sex cells.

Which of the following is the most likely outcome of global warming

In the water cycle , when does water undergo a chemical change