Answer:
In addition to dinitrogen, other inorganic and organic forms exist in the soil as well. It makes up 78 percent of the atmosphere but <u>cannot be used by plants. </u>It is taken into the soil by bacteria, some algae, lightning, and other means.
Explanation:
An oxygen atom would be the smallest particle representing hydrogen peroxide.
hope that helps :)
Answer:
Searching
Explanation:
Try to search up each one, and match the image with the one. Im sorry this isnt the answer but thats how you find it. And with number 6 and 4 search it up on google and you will get it.
Answer:
They speed up chemical reactions. Without them you wouldn't be alive. They break down macromolecules, and also lower the amount of energy needed for a chemical reaction to happen.
