Comment your opinion: so buildings don't make the earth any heavier because all those materials were already on the planet, right? i was thinking what about trees (bare with me) like when we get seeds from them, what if we just continuted to plant them and never cut them down? i'm sorry if this is dumb lol but what do you think?
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What do your cells need to live? a. carbon dioxide b. carbon c. air d. oxygen
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I've created a synthetic cellular membrane that is made up of phospholipids, but contains no proteins. which of the types of movements across a membrane would not function with my synthetic membrane?
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Comment your opinion: so buildings don't make the earth any heavier because all those materials wer...
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