(Question)
Answer the following question given this paragraph: Ice wedging and abrasion are two important processes of mechanical weathering. Q: Abrasion is a process of what type of weathering? Choices: - geological - molecular - environmental - mechanical A:
(Answer)
mechanical

(Question)
Answer the following question given this paragraph: Viewed from Earth, Mars is red. This is due to large amounts of iron in the soil. The ancient Greeks and Romans named the planet Mars after the god of war. The planet's red color reminded them of blood. Mars has only a very thin atmosphere, made up mostly of carbon dioxide. Q: What is in the soil that causes mars to look red? Choices: - carbon - garnet - sand - iron A:
(Answer)
iron

(Question)
Answer the following question given this paragraph: Larger cycloalkanes also exist, but are less common. Cyclic hydrocarbons may also be unsaturated. A cycloalkene is a cyclic hydrocarbon with at least one carbon-carbon double bond. A cycloalkyne is a cyclic hydrocarbon with at least one carbon-carbon triple bond. Shown below are the simplified structural formulas for cyclohexene and cyclooctyne. Q: What's the term for a cyclic hydrocarbon with a carbon-carbon triple bond? Choices: - bialkyne - tricycloalkyne - bicycloalykne - cycloalkyne A:
(Answer)
cycloalkyne