If burning oak is used to produce heat, then what is burned to produce heat? Answer choices: - pine - wood - gravity - Coal - clouds - oak - elms - air
oak
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If many humans feed at more than one trophic level, then what feed at more than one trophic level? Answer choices: - cows - tortoises - density - animals - humans - bananas - goats - stomach
humans
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If underground systems grow in width and length, then what grow in width and length.? Answer choices: - crocodiles - sedimentary rocks - vegetation - remains of prehistoric life - swamp vegetation - shrub beds - underground systems - loose dirt
underground systems
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If fully cooking oysters can prevent illness, then what can be done to prevent illness from eating oysters? Answer choices: - Eating only younger oysters - wearing protective clothing - evaporative cooling - shucking with two hands - prolactin release - excretory structures - Fully cooking the oysters - electron transport
Fully cooking the oysters
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