I think the answer is A hope it helps
Scientific equipment has helped athletes gain a competitive edge in the Olympic winter games by improving their routine work-outs, and helps them achieve the level of athletic ability that they needed to.
Passing a difficult math test should be the answer my friend
Yes, or peer pressure.
Hope that helps. :)
Like water? You just tilt you head 2 the left or right depending on where the fluid is that how you do it I think if that what you are talking about.