Answer:
This is because they transitioned from water where they need them and then became mosses which dont have roots but rather hold in water but as they evolved plants got roots so they can dig deep into the group to reach water resivoirs.
line A is the answer because enzymes act as catalyst for chemicals reactions which means that they help speed up the production of products from a chemical reaction
8H2. The actual equation doesn't make sense for 8H2. This is because in compounds it always says the number of atoms after the element symbol, but in this case, there is an 8 before it. This means that it isn't a compound.
After my research the answer is that they are forms of electromagnetic radiation as far as I know.
