Q: The lunar landscape is covered by craters caused by what? Choices: - earth impacts - volcanoes - water - asteroid impacts A:
asteroid impacts
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Q: By shocking ocean water, earthquakes can cause what deadly ocean waves? Choices: - deep currents - ebb tides - typhoons - tsunamis A:
tsunamis
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Q: What happened to earth's species during the permian period? Choices: - evolution - duplication - division - mass extinction A:
mass extinction
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Q: What helps fungus digest cellulose and other materials found in rotting matter? Choices: - carbohydrates - hormones - soil - enzymes A:
enzymes
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