Viruses come in what kind of shapes and sizes?
A. only square or rectangular
B. only cube or prism
C. many different
D. always spherical

How many species of living things are alive on earth today? more than 1,000,000 none of these answers are correct 100-500 1,000 –500,000 o 500,000 -1,000,000

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

3differences between bacteria and other 2 cells