~Hello there!
Your question: What substance is considered a building block for all living things?
Your answer: Carbon is the substance that is considered s building block for all living things.
Any questions ^?
Happy Studying!
Mouth, pharynx, esophagus
Answer:
the waters acts as a solvent for chemical reactions and also helps transport dissolved compounds in and out of cells.
I believe the answer is D, Cells get energy by taking in nutrients from food. Correct me if I'm wrong.
