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

(Question)
Q: What kind of reaction adds water to an organic molecule and breaks the large molecule into smaller molecules? Choices: - heat reaction - supplementation reaction - aerobic reaction - hydration reaction A:
(Answer)
hydration reaction

Ques: Q: How many quarks are in each proton and neutron? Choices: - ten - five - four - three A:
Ans: three

(Q).
Q: What is the term for a formula that shows the elements in a compound in their lowest whole-number ratio? Choices: - measured formula - intrinsic formula - Dwarf Formula - empirical formula A:
(A).
empirical formula

Ques:Q: What are formed when crystals precipitate out from a liquid? Choices: - diamonds - additive sedimentary rocks - gaseous sedimentary rocks - chemical sedimentary rocks A:

Ans:chemical sedimentary rocks

Ques:Q: Where do most ecosystems get their energy from? Choices: - earth - heat - water - sun A:

Ans:
sun