Which two elements primarly make up a nebula? a) hydrogen and oxygen b) hydrogen and heilium c) heilum and oxygen d) carbon and oxygen

The galapagos island contain 13 species of finches four of the species are seen here it is believed that all of the species had one common ancestor and overtime

Which of the following is true of metabolism in its entirety in all organisms? a) metabolism depends on a constant supply of energy from food. b) metabolism uses all of an organism's resources. c) metabolism consists of all the energy transformation reactions in an organism. d) metabolism manages the increase of entropy in an organism.

What changes the stability of the element