Topic: Plant Transport Subtopic: Mineral salts enter the roots
What is activation energy?
Answer: Activation energy is the energy required by each reactant of a chemical reaction in order to react with other reactants. Enzymes lower this energy.
- What is job of heart?
- Why are Villi essential?
- How is food absorbed?
- What are vitamins and functions?
- What is bronchitis?
- How many times blood enters heart in one circulation?