There are only two naturally occurring isotopes of helium on earth. If you increase the % abundance of helium-3, does the % abundance of helium-4 change? Why or why not?

plants need sunlight, water, and carbon dioxide to make food. plants use the raw materials of water, nutrients they absorb from soil, and carbon dioxide to make sugars the plant can use. energy from the sun and chlorophyll are also needed.

with this one i know the answer in craters one reason i looked it up and i learned about it there is my evidence

it’s previous models   because when i picked that son of a gun’s answer it was wrong look for previous models because they might make it a different letter