(Q).
Q: Nutrition and diet affect your metabolism. more energy is required to break down fats and proteins than this? Choices: - vitamins - electrolytes - minerals - carbohydrates A:
(A).
carbohydrates

(Q).
Q: What has increased in the atmosphere throughout the history of the earth? Choices: - nitrogen - wind - carbon - oxygen A:
(A).
oxygen

(Q).
Q: What is a feature that prokaryotes lack? Choices: - epidermis - cell wall - plasma - nucleus A:
(A).
nucleus