If soil is formed by rivers that flow over rocks, then what is formed by rivers flowing over rocks? Answer choices: - soil - cracks - thrust - rain - biome - spring - potash - tube
soil
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If playing is just one of many ways that humans and other animals learn how to behave, then what uses playing as just one of many ways to learn how to behave? Answer choices: - athletes - Toys - sharks - Humans - Video games - exercise - people - A.I
Humans
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If metals are good conductors, then what are metals good at? Answer choices: - to move people - power - cooling - voltage - polarizing - electricity - conducting - magnetizing
conducting
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If apoint mutation allows for both asexual and sexual reproduction, then apoint what allows for both asexual and sexual reproduction? Answer choices: - trees - graptolites - barnacles - orchids - Summer - mutation - Most plants - pine
mutation
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