Which of the following would be one of the interacting parts in a weather system?

Which part of earth’s surface receives the most direct rays from the sun? a) equator b) ocean c) poles d) mountains

How many moles of lead are in 1.50 x 10^12 atoms of lead? could you explain the answer as well and not just give it to me i am refreshing for finals and i need to know how to do it

One student said that the investigation was not valid (a fair test). write a plan for the investigation that includes improvements to the method and apparatus