Q: What type energy sources emit fewer or no greenhouse gases? Choices: - gas - animal - fossil - renewable A:
renewable

(Question)
Q: How are the major families of organic compounds characterized? Choices: - Their optic groups - their visual groups - their thermal groups - their functional groups A:
(Answer)
their functional groups

Ques: Q: Exposure to what causes skin color to darken? Choices: - hormones - heat - pressure - sunlight A:
Ans: sunlight

(Q).
Q: The hot liquid rock on the surface is called what? Choices: - Molten - volcano - flow - lava A:
(A).
lava

Ques:Q: What do we call the worldwide radio-navigation system formed from a constellation of 24 satellites and their ground stations? Choices: - cellular network - radio waves - compass - gps A:

Ans:gps

Ques:Q: What is the disease in which bronchioles in the lungs periodically swell and fill with mucus? Choices: - nausea - leukemia - allergy - asthma A:

Ans:
asthma