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A cinder block is sitting on a platform 20 m high. It weighs 7.9 kg. The block has energy. Calculate it.
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In which environment would primary succession occur? a forest with a few remaining trees after a recent wildfire an area of exposed rock after a glacier melts away beach that is exposed to the air at low tide an abandoned baseball field in a small town
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A cinder block is sitting on a platform 20 m high. It weighs 7.9 kg. The block has energy. Calculat...
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