Q: The mechanical and digestive processes have one goal: to convert food into molecules small enough to be absorbed by the epithelial cells of what? Choices: - bile ducts - stomach cilia - alveoli - intestinal villi A:
intestinal villi

(Question)
Q: What is a network solid and consists of carbon atoms covalently bonded to one another in a repeating three-dimensional pattern? Choices: - a zirconium - a ruby - an agate - a diamond A:
(Answer)
a diamond

Ques: Q: What carbohydrate from fruit juices is a gel-forming substance important in jelly making? Choices: - potassium - gelatin - cellulose - pectin A:
Ans: pectin

(Q).
Q: A turbine that spins a generator will produce? Choices: - solar energy - light - magnetic fields - electricity A:
(A).
electricity

Ques:Q: What occurs in a population when its allele frequencies change over time? Choices: - variation - generation - extinction - evolution A:

Ans:evolution

Q: What are magnetites naturally attracted to? Choices: - stone - aluminum - glass - iron A:
iron