Complete each sentence using the drop-down menus.

desertification mainly impacts resources.

point and nonpoint sources refer to types of pollution.

the process of people moving to cities, called , greatly impacts land, air, and water resources.

the burning of fossil fuels can cause .

Desertification mainly impacts land  resources.

Point and nonpoint sources refer to types of water pollution.

The process of people moving to cities, called   urbanization , greatly impacts land, air, and water resources.

The burning of fossil fuels can cause smog and acid rain.

Explanation:

"hydrogen bonding is the attraction of h atoms in the water molecule (slight + charge) to o atoms in a neighboring water molecule (slight - charge); it is a weak interatomic force. but it is still strong enough to the water molecules "stick" together."