Q: What occurs when a substance reacts quickly with oxygen? Choices: - convection - oxidation - catalytic conversion - combustion reaction A:
combustion reaction

Q: What do metals typically lose to achieve stability? Choices: - ions - atoms - molecules - electrons A:
electrons

Q: Q: What rocks are formed by crystallization of chemical precipitates? Choices: - volcanic - carbon sedimentary - layered - chemical sedimentary A:
A: chemical sedimentary

Question: Q: Which part of the body shows does horner's syndrome affect? Choices: - the nose - the tongue - the mouth - one eye A:
Answer: one eye

*Question*
Q: What do you call the substance in a cooling system that has a low boiling point and changes between liquid and gaseous states? Choices: - byproduct - emission - coolant - refrigerant A:
**Answer**
refrigerant

Q: What makes and stores pigments that give petals and fruit their orange and yellow colors? Choices: - sporozoans - protozoa - pores - chromoplasts A:
chromoplasts