Well a theory is when a person comes up with something that they believe is to be true, and they work on projects and other things to show their thinking. theories won't always bee correct which helps us humans grow and come up with new ones
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Plants can synthesize all twenty amino acids.
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The variable that does not rely on another variable. IVs can include time, weather, etc.
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The radar scanner is an aerial which rotates continuously. The aerial alternatley transmits and receives in quick successio
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