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What is the study of how matter and energy interact? a. biology b. physics c. planetary science d. chemistry
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Iknow the answer to 13 is b and 14 is d. i just need to know why the correct answers are correct
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Embryos of different species look very similar, which shows that the organisms share a ancestor.
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The pressure inside a hydrogen-filled container was 2.10 atm at 21 ? c. what would the pressure be if the container was heated to 92 ? c ?
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A marshmallow is toasted over a campfire. Is this a physical or a chemical change?
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