Q: What resource is considered nonrewable for human purposes, because it takes so long to form and is depleted by farming and other activities? Choices: - water - acid - sunshine - soil A:
soil

Q: What is the waxy substance that epidermal cells secrete? Choices: - cellulose - bile - saliva - cuticle A:
cuticle

Q: Q: What are the simplest hydrocarbons? Choices: - unsaturated hydrocarbons - complex carbohydrates - fossil fuels - saturated hydrocarbons A:
A: saturated hydrocarbons

Question: Q: What mineral that occurs in bones helps combat osteoporosis? Choices: - magnesium - iron - potassium - calcium A:
Answer: calcium

*Question*
Q: Proteins are one of four classes of what type of compounds? Choices: - hormonal - genetic - synthesized - biochemical A:
**Answer**
biochemical

(Q).
Q: What is a condition in which a material called plaque builds up inside arteries? Choices: - scoliosis - fibrosis - arthritis - atherosclerosis A:
(A).
atherosclerosis