The muscular and skeletal system because we use our brain to move our body it sends a signal to move that muscle that we want to use
Answer:
5
Explanation:
(2n+1 C + N - H - O)÷2=(9×2+2-10)÷2=5
Answer:
1/150 is the answer
Explanation:
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We could not use recycled water for drinking purposes. That is because it may cause us to get sick.
Answer:
<em>Dissolving a solid in liquid, such as table salt in water, is a physical change because only the state of the matter has changed. Physical changes can often be reversed. Allowing the water to evaporate will return the salt to a solid state.</em>
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