Which is not driven by energy from the sun? ocean circulation volcanic eruption erosion climate

If i got an 1040 on my psat, what are the chances of being able to get a 1400 on the sat. and are there any recommended ways to study.

Need will give 100 ! in no less than one hundred fifty words, explain why it is important for engineers to sketch designs and use them to clarify their designs to other people, giving at least three reasons.

Find the number if 3.7% of it is 37% of 37.