Exercising keeps your body and heart active and in good state. Even if you see no physical results, regular exercising will lead to increased blood flow and overall good health. Your heart aret & breathing rate will also improve along with your stamina with regular Exercising .
The composition of a chemical compound is not changed during a physical change.
The most important temperature, the second is light intensity
it doesnt change
it doesnt change you dumb
it doesnt.
Up hill. It builds energy, and strenth. Going down hill doesnt do much
Well because the paper is flat and when you crumple it, it is changing and getting wrinkly and in a crumpled form,
You shouldn't have to change freon, it doesnt go bad.
Independent Variable
it doesnt
A constant rate!
It depends what type of crystal it is, if it is Copper, it has the element Copper in it, Just look up the Composition of the crystal, but just because its name is named after a element doesnt mean it doesnt have That element in it.