Q: The level of carbon dioxide in the atmosphere is greatly influenced by the reservoir of carbon where? Choices: - before the oceans - in the earth - after the oceans - in the oceans A:
in the oceans

(Question)
Q: What causes genetic disorders? Choices: - parasites - proteins - pollution - mutations A:
(Answer)
mutations

Ques: Q: What celestial body in the solar system makes up most of its total mass? Choices: - Jupiter - earth - Andromeda - sun A:
Ans: sun

(Q).
Q: Where does the process of digestion start? Choices: - esophagus - stomach - small intestine - mouth A:
(A).
mouth

Ques:Q: Organism's changing over time is called? Choices: - generation - heterogenicity - variation - evolution A:

Ans:evolution

Q: What common code do all known living organisms use? Choices: - biochemical - Morse code - code of ethics - genetic A:
genetic