Answer:
because that one sperm cell have the 23 chromosomes to mix with the 23 in the egg.... to fertilize it
Explanation:
The blood type of the person donating the kidney must be compatible with the recipients blood type
Answer:
I think all of them because using suncreen can have less risk for skin cancer, avoiding tobacco can have less risk for lung cancer, getting enough sleep means we can be energetic and not get sick that much, and eating a healthy diet makes us more healthier.
Explanation:
All of the above, they all apply.
