Habitat (n) ? the place or type of place
where a plant or animal naturally grows and lives.
Hail (n) ? water that falls from clouds as small balls of ice
or hard snow; a form of precipitation.
Hurricane (n) ? a severe tropical thunderstorm with heavy rains
and strong winds that moves in a circular motion.
Hydrology (n) ? the science of water.
Hydropower (n) ? a renewable source of energy that comes from
Hydrosphere (n) - the aqueous part of the earth, including all bodies of water and water vapor in the atmosphere.