Which is a gamete?

A. Estrogen
B. Embryo
C. Cervix
D. Egg

Ithink option a is correct because you cannot donate a different blood group than yours because it won't match.option a says betsy can donate to mark. they have the same blood group so donation can happen.

Advection fog occurs when warm air blows over a cold surface like snow and since tropical water is warm advection fog rarely forms over it