I believe it’s Precambrian.
For the answer to the question above, <u>"</u><u>hydrogen ions"</u> <span>form when muscle cells convert lactic acid to lactate. </span>
this is the reason why we feel fatigue when exercising it is that we accumulate a compound called lactic acid. I hope this helps
Answer:
A - Only a Boy Can get a Y Chromosome
Explanation:
MARK AS BRAINLIST
Answer:
1. When you eat, you take in large molecules called "macromolecules" which make up building blocks that you can absorb into the bloodstream, and that your cells burn for energy.
2. Sugar molecules - Glucose, Amino Acids - Proteins, Fatty Acids - Fat
3 - 5 seems like answers you have to do yourself, but if you really need help just comment and I'll edit this!
Explanation: