Describe the convection currents that occur inside Earth.

Calculate the number of kilojoules to warm 125 g of iron from 23.5°c to 78.0°c.

What are the first two quantum numbers for the electrons located in subshell 4d? what are the first three quantum numbers for the electrons located in subshell 2s? how many electrons can be held in a sublevel l = 3? how many electrons can be held in the energy level n = 4? how many electrons in an atom can share the quantum numbers n = 4 and l = 3?

How does a large body of water, such as the ocean, influence climate?