At some time during their lives, all cells must contain dna.

19. scientists use meteorites that hit earth to provide evidence of the composition of earth's interior because they hypothesize that

Which type of bond forms between water moleculesstrong bondhydrogen bondcovalent bondpolar bond

Identify characteristics of energy from the sun. check all that apply. almost all of the energy on earth comes from the sun. energy from the sun is known as mechanical energy. the energy in fossil fuels originally came from the sun. plants convert the energy of sunlight into chemical energy.