a large region on Earth with a specific climate that contains certain species

a small area with diverse plant life

a type of animal habitat found in urban areas

a region characterized by extreme temperatures and minimal vegetation

the dynamic movement of water on, below, and above Earth's surface

the process of water freezing into ice

the evaporation of water from plants

the collection of water in rivers and lakes

a place where water collects

a type of fish

a large building for storage

a method of irrigation

a dry region on one side of a mountain that results from precipitation on the other side of the mountain removing moisture from clouds

a wet area on the windward side of a mountain where clouds gather and rain falls

a phenomenon where mountains block the passage of rain-producing weather systems

a type of cloud formation that occurs at high altitudes

the top layer of Earth's land that often has a mix of organic and inorganic material

a type of rock found deep underground

a liquid that nourishes plants

a layer of air surrounding the Earth

relating to Earth's rocky inner and outer features

pertaining to the study of ancient civilizations

associated with the movement of tectonic plates

involving the analysis of atmospheric conditions

a large body of air with similar temperature, air pressure, and moisture throughout

a small pocket of air that varies in temperature and humidity

a weather phenomenon that occurs during thunderstorms

a type of cloud formation that indicates rain

the process of eroding rocks

the dropping of sediment in a new location

the movement of water in a river

the formation of new landforms

naturally occurring water that contains little or no salt

water that is high in salt content

water that is found in oceans and seas

water that is contaminated with pollutants

the weight of air pressing on all things beneath and within it

the force exerted by the movement of air particles

the temperature of the air in a given area

the amount of moisture in the air

the upper surface or level of groundwater

a layer of soil that retains moisture

the point at which soil becomes saturated

a measure of water quality

An underground region of rocky material containing water that can be drawn out through a well

A surface water body that stores rainwater

A type of soil that retains moisture

A geological formation that prevents water from passing through

the variety of species on Earth or in any one environment on Earth

the total number of organisms in a specific area

the genetic differences within a species

the number of ecosystems in a region

the process of breaking down rock into smaller pieces

the process of forming new rocks from minerals

the process of transporting sediments to new locations

the process of increasing the temperature of rocks

The Earth system that is composed of all the living things on Earth

The layer of gases surrounding the Earth

The part of the Earth that is covered by water

The region of the Earth where weather occurs

the layer of soil that supports plant life

the Earth system that is composed of all the gases that surround Earth

the part of the Earth that is covered by water

the solid outer part of the Earth, including the crust and upper mantle

water stored in the spaces between materials beneath Earth's surface

water that flows on the surface of the Earth

water vapor present in the atmosphere

water found in oceans and seas

the movement of sediment

the process of photosynthesis

the formation of rocks

the cycle of water

the Earth system that contains all the rocky layers of Earth

the layer of gases surrounding the Earth

the liquid layer of the Earth that includes oceans

the part of the Earth that supports life