Q: Biomass can also be processed to make what kind of fuel? Choices: - hydrogen fuel - gasoline - fossil - biofuel A:
biofuel

(Question)
Q: What was the appendix used for in the past but is no longer needed for? Choices: - sense danger - produce food - fight infection - digest food A:
(Answer)
digest food

Ques: Q: Amines are bases; they react with acids to form what? Choices: - oils - ions - proteins - salts A:
Ans: salts

(Q).
Q: Which is the ultimate energy source in a bear's food chain? Choices: - decomposers - plants - heat - sun A:
(A).
sun

Ques:Q: What system of the body is responsible for producing hormones? Choices: - nervous system - regulatory system - homeostasis system - endocrine system A:

Ans:endocrine system

Q: What is the white solid that forms on corroded battery terminals? Choices: - ammonia sulfate - copper sulfate - straight sulfate - lead sulfate A:
lead sulfate