Which of the following best describes how the first organic molecules on the early Earth may have been formed?


Tidal flow and ocean currents helped mix molecules together so that they could react to build larger molecules.


Lightning provided the energy needed for gases to react with each other and form amino acids.


Heat energy became trapped in the atmosphere by greenhouse gases and was used as an energy source in the building of macromolecules.


Enzymes catalyzed reactions between smaller organic molecules to form larger ones.