Which is a practical application of freezing-point depression?

How have the greenhouse gasses increased from the year 2000 to 2018

What will most likely happen when two bromine atoms bond together?

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?