Reactants. Reactants are the substances that are needed for a chemical reaction to occur. Without reactants there are no products.
We will all die because we need oxygen that the plants give is
Answer:
In the light-independent reactions or Calvin cycle, the energized electrons from the light-dependent reactions provide the energy to form carbohydrates from carbon dioxide molecules. The light-independent reactions are sometimes called the Calvin cycle because of the cyclical nature of the process.
Explanation:
Answer:
bcz lichens grow only there have no pollution and new ecosystem have no pollution in this way lichen are necessary after disturbances bcz after pollution have created by human
I think its b or c im 80.99% sure
