Ques:Q: What two ways may catalyst be classified? Choices: - oxygenated or heterogenous - reactive or nonreactive - fast or slow - homogeneous or heterogeneous A:

Ans:homogeneous or heterogeneous
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Ques:Q: What is our sun's next stage called? Choices: - blue giant - white giant - super nova - red giant A:

Ans:red giant
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Ques:Q: What organ system is comprised of your heart, blood, and blood vessels all working together? Choices: - thoraxic system - nervous system - digestive system - cardiovascular system A:

Ans:cardiovascular system
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Ques:Q: What do loess deposits form? Choices: - rotational cliffs - horizontal cliffs - diagonal cliffs - vertical cliffs A:

Ans:
vertical cliffs
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