Because when your about to swallow food air rapidly comes in your mouth and when you digest the hit air rises up and out your mouth
A, D, E. I'm not 100% sure about number 2
Answer:
Anabolism
Explanation:
Anabolism is a type of biochemical reaction that makes up metabolism, the other one is catabolism. Anabolism builds complex molecules from simpler ones, while catabolism breaks them down.
Answer: Consumers.
Explanation: I don't like cockroaches your lucky I even looked at your question let alone answered it.
~Hello there! ^_^
Your question: The four types of nucleotides that make up DNA are..?
Your answer: The four types of nucleotides that make up DNA are:
1) Thymine
2) Guanine
3) Adenine
4) Cytosine
Hope this helps! :D