Answer: B ventral
Explanation: because ventral is the underside of a plant person animal etc.
Answer:
Cardiovascular is the correct option
Answer:
It just seems like you're supposed to give four pieces of evidence of natural selection. If you're still confused, you can always ask your teacher.
Explanation:
Answer:
air
Explanation: without air you can cant even live
Go for A also give brainlyest need to lv up