Well, mass<span> is a measurement of how much matter is in an object;</span>weight<span> is a measurement of how hard gravity is pulling on that object. Your </span>mass<span> is the same wherever you are--on Earth, on the moon, floating in space--because the amount of stuff you're made of doesn't change.
Hope it helps</span>
D. remaining well -hydrated while exercising is best, when you perspire from exercise you have to replace fluids or you will de-hydrate which is not safe.
Answer:
the answer is b bc I took the test in my class
