True or false: You must make observations and conduct research prior to creating a hypothesis.

In an oxidation-reduction reaction, oxidation is what happens when a reactant

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.

Which substance can be broken down by chemical means