D. lung cancer is the most common cause of cancer death.
(the answer is b)it coulve been a but it say "only" and stress has a lot of effects on the body and c and d are answers to trick you but you have to pay attention to what it actually states
If you need any more help feel free to ask me! I would love to help out! ^-^
The correct answer is A. Cells split into two new cells with the identical genetic makeup.
~MsSmartiez
Answer:
if you think about them a lot during you're day, and feel happy when you see them
Explanation:
