The answer:Testes,they are male sex organs which produce the male gametes or spermatoza,abv. sperm.
Hope it helped.
Answer: And
I personally think this is the answer because it just sounds the best and right.
Acetone — Commonly used as a cleaner and in cosmetics that remove skin
oil. Hexane — Frequently used as a solvent for dissolving various types of
cooking oil. Carbon tetrachloride — Often used as a general cleaner in
numerous industries. Diethyl ether — Infrequently used to dissolve oils due to its low flash point.
Answer: a
Explanation: because it matches the sentence.