You have to know what the temperature of your suroundings first and then you can melt it with the tools you need. yeah that's another thing know what tools you need and then be safe!:D
It increases. As it moves it <span>increases while the movement is in process.
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It's important because you have to know when to make it go faster or else you might not be able to go upside down or in a circle
They spill out chemicals into our air that may be bad for our lungs
<span>Distance is a scalar quantity that refers to "how much ground an object has covered" during its motion. Displacement is a vector quantity that refers to "how far out of place an object is"; it is the object's overall change in position.</span>
