Q: What group of gases are unusually unreactive? Choices: - volcanic gases - greenhouse gases - halogens - noble gases A:
noble gases

(Question)
Q: What is defined as anything that takes up space and has mass? Choices: - electrons - elements - atoms - matter A:
(Answer)
matter

Ques: Q: Invertebrates make up what percentage of all animal species? Choices: - 90 percent - 50 percent - 30 percent - 95 percent A:
Ans: 95 percent

(Q).
Q: Low levels of thyroid hormones in the blood cause the release of what by the hypothalamus and pituitary gland? Choices: - acids - bases - enzymes - hormones A:
(A).
hormones

Ques:Q: A redox reaction rearranges what subatomic particles? Choices: - neutrons - water molecules - protons - electrons A:

Ans:electrons

Q: What was the first object to form in the solar system? Choices: - earth - moon - jupiter - sun A:
sun