The structure that stores maturing sperm until they are released by the male reproductive system is the
a. epididymis.
b. penis.
c. urethra.
d. vas deferens.

Unsaturated fatty acids that have been changed to saturated fatty acids are called

Melting glaciers is a serious threat to the environment what is the possible consequence of melting glaciers on polar bears?

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.