Because some surface water might turn into ground water and some channels are there and it might go into a large body of water
Homeostasis is a tool that your body uses to keep things in balance. Such as your body temperature. Too hot, you start to sweat. (which cools you down as it evaporates) And when you're too cold, your body starts to shiver, effectively warming you up by making your body move rapidly.
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This process is called genetic engineering.
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I think the answer is capacity to do work
A physical change is basically a body change so like if a crayon is solid then sits in the sun for a long time it melts away that’s a physical change because it changes its physical appearance