<span>You do not require a force to keep something moving. You only require a force to get it moving. Or to stop it moving. In your everyday experiences, something you get moving seems to come to a stop after you stop pushing it. It is because there are forces (friction) that make it stop. Without those forces, the object would just keep moving. So this would mean the answer would be True.</span>
Answer:
hi the question isn't obvious and need a photo I guess
<span>Chrissie's behavior is reinforced on a FIXED-RATIO schedule.</span>
So the question is asking for time.
Time= distance / speed
120/30
4
Therefore answer is d
Not only in converting temperatures I think, we always use significant figures every time we want to make some experimental report using the exact data from our experiment. If that isn't experimental report ( some exercise/questions from your textbook) it's not necessary
