Answer:
mark me as a brainlist answer
Explanation:
Oxygen
Answer:
ice caps and glaciers
Explanation:
Over 68 percent of the fresh water on Earth is found in icecaps and glaciers, and just over 30 percent is found in ground water. Only about 0.3 percent of our fresh water is found in the surface water of lakes, rivers, and swamps.
Two hydrogen and two oxygen multiply for two
Answer:
there are spaces within the enzymes that is active. That active site allows substrates to join in. This helps the enzyme carry out the chemical reaction with the substrate.
Explanation:
I'm pretty sure all 4 are subatomic particles but if i had to guess i'd be Photons
