1
when water is heated and changed into gas which step of the water cycle is it in
evaporation
humans live in the blank layer of the atmosphere
troposphere
How much of the hydrosphere is salt water
97%
when water is cooled and changed back into a liquid which step is it
condensation
more than half of earth's freshwater is stored in
glaciers or frozen
Which of Earth's systems is the smallest
biosphere
what causes a body of water to become dead
fertilizers causing algae to grow
true or false: Manhattan, in New York,is an Island
True
which sphere includes glaciers
hydrosphere
Humans are part of Earth's
biosphere
blank islands are formed when a chunk of land breaks off from a larger landmass
continental
what percentage of earth's water is freshwater
3%