Q: What is the limiting factor for bacteria in a dish? Choices: - density - speed - material - space A:
space

(Question)
Q: Proper kidney function is essential for homeostasis of what level, which in turn helps ensure the functioning of enzymes? Choices: - oxygen - calcium - ions - ph A:
(Answer)
ph

Ques: Q: What are two basic types of pollutants in the air? Choices: - smog and coal - organic and inorganic - pesticides and smog - primary and secondary pollutants A:
Ans: primary and secondary pollutants

(Q).
Q: What is the most widely used form of renewable energy in the world? Choices: - wind - fossil fuel - solar - hydropower A:
(A).
hydropower

Ques: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:

Ans:carbohydrates

Q: The simplest organic compounds have hydrogen and what else? Choices: - sodium - oxygen - nitrogen - carbon A:
carbon