Answer:
for production of energy
Explanation:
to enable the action of heart beat, keeping the body warm, to build body tissues, etc, while facilitates ones living
Answer:
it's really simple, all you need to do is look at the periodic table. for example, group 1A has 1 valence electron. 2A has 2, 3A has 3, and so on.
Answer:
life science/biology
Explanation:
it literally says it in the name
Answer:
organelle, cell, tissue, organ, organ system, population.
Answer:
electromagnetic radiation Transfer of energy by electromagnetic waves across space or through matter.
