Why does 0.05m NaCl have the highest boiling point?

When curium-242 is bombarded with an alpha particle, two products are formed, one of which is a nudge on. what is the other product

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

Which of the following is a physical change? a.burning a piece of wood b.sawing a piece of wood in half c.rust forming on an iron fence d.a copper roof changing color from orange to green