Q: What happens to a tectonic plate when it subducts? Choices: - it warms - it cracks - it sinks - it melts A:
it melts

(Question)
Q: The normal response of the respiratory system to elevated ph is to increase the amount of what in the blood? Choices: - glucose - acid - red blood cells - co2 A:
(Answer)
co2

Ques: Q: Where do lightnings build up? Choices: - stratosphere - air - troposphere - clouds A:
Ans: clouds

(Q).
Q: What is the process of changing something from a gas to a liquid? Choices: - sublimation - combustion - fermentation - condensation A:
(A).
condensation

Ques:Q: A hydraulic jack that makes it possible to lift a car easily is an example of what, meaning it produces mechanical advantages? Choices: - quantum physics - simple weapon - complex machines - simple machine A:

Ans:simple machine

Q: What is calculated by adding together the atomic masses of the elements in the substance, each multiplied by its subscript (written or implied) in the molecular formula? Choices: - mass effect - fractional mass - magnetic mass - molecular mass A:
molecular mass