Hydrosphere Crossword

tiny microscopic organisms
an area of land designated for environmental protection
Phosphorous-based nutrients commonly found in fertilizers and pesticides
A measure of how safe the water is for human consumption.
a natural or artificial lake used as a source of water
the area drained by a river
the level of oxygen present in water
Special compounds containing nitrogen and oxygen
organisms living in water that indicate the quality of the water
water that is safe for human consumption
pollution that comes from many places or an unidentified source
pollution that comes from a single identifiable site
the following of practices to protect Earth’s resources
in a solution the substance that does the dissolving
the saltiness of a body of water
measure of how clear water is
a measure of how acidic or how basic a liquid is
the movement of cold nutrient rich water from deep layers of the ocean up to the surface
coastal bodies of water where fresh water from a river mixes with salt water from the ocean
natural non living solid crystal that makes up rocks
an element or compound that an organism must consume or synthesize in order to survive
a depression in the ocean floor that ranges from a few feet to several miles in depth
water stored below Earth's surface in soil and rock layers
the continual movement of water between the land ocean and the air
all of the water on, under, and above the Earth