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Unit 4 Part 1
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When something is _______, it is happening now.
current
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Something is _______ when you can't use up all of it.
renewable
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When you _______ something, you change it into something else.
convert
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_______ is a form of energy that can produce light, heat, and power.
electricity
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_______ is the ability or strength to do something.
power
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To _______ is to move freely.
flow
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A _______ is something that people need and use.
resource
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_______ means saving or protecting something.
conservation
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To _______ something is to make it from other materials.
generate
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When something is _______, it is ready to take.
available
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Something is _______ if there is not enough of it.
scarce
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