In chemical reactions, enzymes the chemical reaction by the activation energy.

Why does the earth spin slowly, not faster? is it possible to prove it scientifically? can you prove it with math?

Which organelle plays a role in intracellular digestion?

Which chemical reaction shows photosynthesis? a. water + carbon dioxide + sunlight → oxygen + glucose b. carbon + oxygen → carbon dioxide c. hydrogen + oxygen → water d. nitrogen + hydrogen → ammonia