Answer:
When carbon dioxide dissolves in seawater, the water becomes more acidic and the ocean's pH (a measure of how acidic or basic the ocean is) drops. ... In fact, the shells of some animals are already dissolving in the more acidic seawater, and that's just one way that acidification may affect ocean life.
Change the wording a bit otherwise hoping ti helps
~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!