Plants give off oxygen (that we breathe)and breathe in our carbon dioxide that we exhale
Answer:
D
Explanation:
Sexual reprduction is when a sperm cell fertilzes an egg cell.
When a frameshift mutation occurs, the string of DNA will be glued together. When this DNA is going to be part of a process, such as a transcription, whatever is causing the process is unaware of the mutation actually having happened.

the answer is d.pacific ocean is the largest ocean in the world it is also the world's deepest ocean.