Which sample of copper has atoms with the lowest average kinetic energy? 1. 10. g at 45°c 2. 20. g at 35°c 3. 30. g at 25°c 4. 40. g at 15°c

What effect might melting sea ice have for people who live in coastal areas?

Suppose that a certain fortunate person has a net worth of $71.0 billion ($7.10×1010). if her stock has a good year and gains $3.20 billion (3.20×109) in value, what is her new net worth?

Elizabeth has two separate samples of the same substance. sample is in the liquid state, and the other is in the solid state. the two samples most likely differ in which property?