How can humans affect the rate of water erosion?

During the process of two rails or sides break apart and attract new nucleotide bases to form a new and complete strand.

What do all celular activities in living organisms use as a source of energy?

Biology students used raw eggs in an experiment on tonicity and osmosis. the students put their eggs into vinegar to remove the shells. the vinegar was used to remove the shell from the raw egg. what other effect(s) did the vinegar have on the egg?