An enclosed area where rivers empty into the ocean, serve as nurseries for marine organisms is called?
estuaries
What part of the ocean that receives enough sunlight to permit photosynthesis?
the photic zone
the amount of health in a water supply is?
water quality
all of the water found in, on, and around the earth
hydrosphere
what is the slightly negative end of a water molecule?
oxygen atom
what are the deepest part of the ocean?
trenches
what part of the ocean that receives some sunlight, but not enough light for photosynthesis?
the dysphotic zone
ph
the acidity of water
makes up 97% of all of the water on the planet
salt water
What is the slightly positive end of a water molecule?
hydrogen atom
aquaculture
what part of an ocean or lake beneath the dysphotic zone, where no light penetrates?
the aphotic zone
acidic ph
ph less than 7
most of the freshwater in the hydrosphere is locked up as this
ice
Molecules of the same substance sticking together is?
Cohesion
an opening in the sea floor out of which heated mineral-rich water flows.
hydrothermal vents
what zone is located from the low tide line to the continental shelf?
neritic zone
basic ph
ph greater than 7
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
Molecules of different substances sticking together is?
adhesion
What is a continuous shower of mostly organic detritus falling from the upper layers of the water column is called?
What zone is located between the low and high tide line?
the intertidal zone
neutral ph
ph of exactly 7
the land area that water flows across or under on its way to a particular river
river basin
the cause of water's unique properties is the?
the polarity of waters molecules