In which structure do sperm cells develop? A. Epididymis
B.scrotum
C.testes
D.vas deferens

C

Explanation:

You could literally search that up. It's correct though.

"Sperm develop in the testicles within a system of tiny tubes called the seminiferous tubules. At birth, these tubules contain simple round cells. During puberty, testosterone and other hormones cause these cells to transform into sperm cells."

25.0°C is the exact amount of energy needed to heat 45 g of water, anymore than that can cause the water to start boiling