Explanation:
For any enthalpy change in a chemical reaction, (exothermic/endothermic), the activation energy must be reached so as to break the strong chemical bonds between the reactant molecules.
Is a way for a cell to give information about its activities.
Explanation:
Plants have been using light in this primal way for a large chunk of Earth's existence. But just how did they gain the ability to photosynthesize? The short answer is they stole it, about a billion and a half years ago, when single-celled organisms called protists engulfed photosynthesizing bacteria.
They all breathe oxygen
Their body is full of water
Hope this helped :D
Answer:
D
Explanation:
DNA use thymine and rna uses uracil but they use a,c,g together
