What is the answer for this question i’ve been on it for 20 minutes and I only have 15 more minutes on this test please help me somebody

Imagine ? person stepping on a pin and pulling his or her foot way look at the réfléchir arc of the scenarios below

Once an egg cell is fertilized by sperm, the cell then, as the embryo develops, it receives nourishment and eliminates wastes by transferring substances from its blood to its mother's blood. a. becomes a fetus immediately and exits the womb b. begins to divide and implants itself in the wall of the uterus c. remains in the uterus without dividing for several months d. travels back to the ovaries until the fetus is developed

Which tool could you see a plant cell? a. a filter b. a microscope c. a microwave d. an electromagnet