Oceans
ocean zones
water quality
structure of the hydrosphere
molecules
100

An enclosed area where rivers empty into the ocean, serve as nurseries for marine organisms is called?

estuaries

100

What part of the ocean that receives enough sunlight to permit photosynthesis?

the photic zone

100

the amount of health in a water supply is?

water quality

100

all of the water found in, on, and around the earth

hydrosphere

100

what is the slightly negative end of a water molecule?

oxygen atom

200

what are the deepest part of the ocean?

trenches

200

what part of the ocean that receives some sunlight, but not enough light for photosynthesis?

the dysphotic zone

200

ph

the acidity of water

200

makes up 97% of all of the water on the planet

salt water

200

What is the slightly positive end of a water molecule?

hydrogen atom

300
the cultivation of seafood is called?

aquaculture

300

what part of an ocean or lake beneath the dysphotic zone, where no light penetrates?

the aphotic zone

300

acidic ph

ph less than 7

300

most of the freshwater in the hydrosphere is locked up as this

ice

300

Molecules of the same substance sticking together is?

Cohesion

400

an opening in the sea floor out of which heated mineral-rich water flows.

hydrothermal vents

400

what zone is located from the low tide line to the continental shelf?

neritic zone

400

basic ph

ph greater than 7

400

most of the liquid freshwater on Earth is found in this form, found in cracks and pores in the rock below Earth's surface

ground water

400

Molecules of different substances sticking together is?

adhesion

500

What is a continuous shower of mostly organic detritus falling from the upper layers of the water column is called?

marine snow
500

What zone is located between the low and high tide line?

the intertidal zone

500

neutral ph

ph of exactly 7

500

the land area that water flows across or under on its way to a particular river

river basin

500

the cause of water's unique properties is the?

the polarity of waters molecules

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