Explain the three different mechanism by which an exicted molecule A can returns to the ground state

Which describes interactions between substances and stomata during photosynthesis? check all that apply. oxygen enters stomata. oxygen is released through stomata. carbon dioxide enters stomata. carbon dioxide is released through stomata. hydrogen enters stomata. hydrogen is released through stomata.

What is the number of atoms in 3.54 mol s

How does a hydroelectric power plant converts energy into energy.