Which male reproduction structure preforms a function similar to a function of the female ovaries?
A. penis
B. scrotum
C. testes
D. urethra

Ecologist have observed a sharp increase of sulfur dioxide in the air . what might be a possible consequence of excessive sulfur dioxide in the air ? a. acid rain b. ozone layer depletion c. ozone layer hole d. increase in sea levels

Which must be kept in mind when determining if an explanation is correct? check all that apply. which must be kept in mind when determining if an explanation is correct? check all that apply.

What substance is the most acidic. lemon juice. tomato juice. sodium hydroxide. water