All of the following substances are necessary for the survival of living things except —A. foodB. energyC. heliumD. water

As a small change in a person's dna can cause a genetic disorder

How can a geological time scale best be reconstructed? a) comparing vestigial structures in living species b) comparing homologous structures in living species c) examining homologous structures in fossil remains d) examining the written records of scientists from past cultures

Why do oceanic plates tend to subduction when colliding with a continental plate