Hydro Review! Question Preview (ID: 47049)


Hydrosphere And Water Quality. TEACHERS: click here for quick copy question ID numbers.

Which is true about most of the freshwater on Earth?
a) It is abundant
b) It is found underground
c) It is inaccessible
d) It is in the atmosphere

Where does most freshwater exist?
a) ice caps, lakes, and streams
b) aquifers, ice caps, glaciers
c) glaciers, rivers, oceans
d)

Which best describes the importance of an aquifer?
a) It holds uncontaminated ground water for human consumption.
b) It provides water for oceans.
c) It supplies all water for lakes and rivers.
d)

Areas where salt and fresh water mix are known as
a) Estuaries
b) Oceans
c) Aquifers
d) Intertidal

True or False: Estuaries have high amounts of biodiversity.
a) True
b) False
c)
d)

The term photic means:
a) Absence of light
b) Light
c) Deep Ocean
d) Intertidal

Areas where cold, nutrient rich waters are brought to the surface due to winds blowing offshore are known as_________
a) Aquifer
b) Deep Ocean
c) Estuary
d) Upwelling

As the temperature of water increases, the amount of dissolved oxygen _________
a) Increases
b) Stays the same
c) Decreases
d)

A pH of 7 means the water is at a ______________ state.
a) Acidic
b) Neutral
c) Basic
d)

Turbidity measures how:
a) Clear or Cloudy
b) Acidic or Basic
c) Hot or Cold
d)

What causes an extremely rapid growth algae (algal blooms or eutrophication)?
a) Nitrates and Phosphates
b) Oxygen
c) Temperature
d) Sunlight

True or False: We know where point source pollutions are coming from
a) True
b) False
c)
d)

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