<span>1. Go for a walk
</span>2. Eat more fish3. Lift weights4. Get a pet5. Add supplements to your diet6. Challenge your mind7. Be optimistic8. Spend time with friends
9. Help someone else
Answer:
If your body lacks enzymes that break down carbohydrates, it would be unable to get glucose molecules.
If you lacked the enzyme to digest proteins, you may not absorb enough amino acids.
Explanation:
Carbohydrates and proteins are the food materials that are used for the production of energy. Our body cannot absorb carbohydrate so it must be broken down into simpler substance such as glucose molecules by amylase, while proteins are broken down into simpler substances such as amino acids by pepsin enzyme.
Four conditions are needed for natural selection to occur: reproduction, heredity, variation in fitness or organisms, variation in individual characters among members of the population. If they are met, natural selection automatically results.
