The relationship between planets and moons are: moons are natural objects that orbit planets, while planets orbit the sun
Deforestation is one major concern with harvesting wood. There are also all types of organisms that lose their habitats.
Answer:
They speed up chemical reactions. Without them you wouldn't be alive. They break down macromolecules, and also lower the amount of energy needed for a chemical reaction to happen.
Dependent reaction is the factor that is observed and measured