Answer:
stethoscope is the instrument used to measure heart beat
It's a way of protecting the trees, and making sure they survive the winter and beyond. Leaves die during the winter months. If those dead leaves stayed on the trees, and new ones wouldn't grow in their place, the tree would have no way of making food for themselves.
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The CORRECT answer for this is: number reduction of chromosomes:)
Answer:
Dogs because they are really more friendly than cats.
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