Pinocytosis is an example of
a. osmosis.
b. simple diffusion.
c. active transport.
d. facilitated diffusion.

The energy needs of a human population are not affected by

In the african savanna,more wildebeests are born than the environment can support. which is most likely to happen over a period of years as a result

Molecular models of two different substances are shown below. in the molecule on the left, the oxygen atom pulls on electrons more strongly than the hydrogen atoms. in the molecule on the right, the two oxygen atoms pull on the shared electrons with the same strength. water molecule, h,o oxygen molecule, oz when the two substances are put in the same container, they do not attract each other. why does this happen? a. they both contain oxygen. b. one is polar and one is nonpolar. c . they are both polar. d. they contain different elements.