Answer: 1200
Explanation:
If it was 1250 J of work done, and a object that weights 50 N, you subtract 50 from 1250 which is 1200 J. Work has been done, so you subtract the high number from the lowest.
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The next bone healing stage is called the hard callus<span> stage.This transformation occurs when bone forming cells called osteoblasts travel across the </span><span>soft callus.</span>
<span>d- They take in oxygen gas dissolved in the water through their gills.
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