After an egg develops in the it travels through the where it may be fertilized.

ovary, fallopian tube
ovary, uterus
uterus, fallopian tube
uterus, ovary

b? or d? or something else?

Ovary, uterus

Explanation:

The ovary is a female reproductive structure. It is responsible for development and secretion of egg (ovum) at the time of fertilization. It is responsible for secretion of hormones which are important for menstrual cycle and fertility.

The egg from the ovary is released into the fallopian tube. The egg from the fallopian tube is fertilized in the uterus by one of the sperm cell.

protistas excret ethanol used in the manufacture of vinegar

paper covers rock.

explanation:

rock only smashes scissors.