Q: What play an important role in the modulation of the nuclear chain reaction? Choices: - radiation rods - control neutrons - particle rods - control rods A:
control rods

(Question)
Q: What is the term for heterotrophs that eat only or mainly animals? Choices: - parasites - predators - omnivores - carnivores A:
(Answer)
carnivores

Ques: Q: What type of role does cartilage play in the human skeleton? Choices: - variable - important - life saving - insignificant A:
Ans: insignificant

(Q).
Q: What provides the shape of a cell? Choices: - nucleus - cytoplasm - cellulose - cytoskeleton A:
(A).
cytoskeleton

Ques:Q: Isothermal expansion is a process occurring without a change in? Choices: - weight - variation - precipitation - temperature A:

Ans:temperature

Q: What substances in a car battery can be melted and recycled? Choices: - lead and steel - lead and sodium - steel and sodium - lead and plastic A:
lead and plastic