38. What unites during fertilization?………… A. The penis and vagina
B. The sperm and egg
C. Man and woman
D. All of the above

B.The sperm and egg.

All of the above.

Explanation:

A man has a penis that produces sprem, that colides into an egg, indide a woman's vagina.

the truman doctrine was an american foreign policy whose stated purpose was to counter soviet geopolitical expansion during the cold war. it was announced to congress by president harry s. truman on march 12, 1947, and further developed on july 12, 1948, when he pledged to contain threats to greece and turkey.

carbon atoms, hydrogen, oxygen, and nitrogen.