18.   which process does the plant need energy to perform?
       
  a. transpiration of water
  b. absorbing water into the root hairs
  c. release of oxygen into the atmosphere
  d. pulling nutrients into the root hairs

Hey me with this one❤❤❤❤ every organism needs food. does a cell also need it? explain very briefly.

What are the three groups of atoms that make up amino acids called

Which of the following may one conclude from a map that shows the average ph value of rainfall in the u.s.? acid rain is a more serious problem on the east coast. acid rain falls equivalently across the continental u.s. there are more factories on the west coast. the midwest has fewer forests than the rest of the u.s.