Why should human society move towards alternative energies and away from fossil fuel energies?

a. it is cheaper to use alternative energy
b. it is easier to use alternative energy
c. alternative energies are sustainable
d. to make more profits for energy companies

Ronald wants to see if a new shower cleaner works better in removing soap than his old cleaner. he uses the new cleaner on one half of the shower tiles and his old cleaner on the other half. identify the independent and dependent variables in this experiment. enter your answer in the space provided.

This group of organisms perform the process of ammonifcation. a. herbivores b. decomposers c. carnivores c. plants

How water is moving through the ecosystem ?