I think it's made up of 2 or more of the <em>same type</em> of atom.
Okay First off what are the problems and what are the hardest ones?
Answer:
It is called feedback regulation.
Explanation:
It is used when a product of the reaction is used for regulate the reaction. Therefore when there is enough product like ATP in this situtation, there is no need to run the reaction.
Answer:
Melting mountain glaciers
Explanation:
This is the answer because some of our fresh water is in ice caps/glaciers so we will loose fresh water and we will not have fresh water to drink so the planet earth will not have water.
The answer will be B. Energy produced in the core travels outwards, moving from one particle to the next
