Boost Review: The Hydrosphere Question Preview (ID: 56476)
8.E.1: Understand The Hydrosphere And The Impact Of Humans On Local Systems And The Effects Of The Hydrosphere On Humans.
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The main producers in the ocean are_______
a) Zooplankton and water
b) Zooplankton and small fish
c) Phytoplankton or Algae
d) Coral reefs and sponges
An area of land that drains into a stream, river, lake, or other body of water is called _____
a) A watershed
b) An estuary
c) A river
d) An Aquifer
What us pollution?
a) An increase in Earth's Temperature
b) The release of harmful substances into the environment.
c) A sudden growth of algae in a pond
d) A decrease of oxygen in a body of water
A body of water that has high turbidity is _______
a) Cloudy
b) Clear
c) Acidic
d) Basic
Which of the following water pH levels is the best for marine organisms?
a) 1.0
b) 3.5
c) 7.8
d) 12.0
What is a rock layer that collects and stores water?
a) Watershed
b) Aquifer
c) Estuary
d) Spring
An algal bloom in a water system is mostly likely caused by_________
a) Large amounts of nutrients(nitrogen/phosphorus) in runoff
b) High levels of oxygen in the water.
c) Increased use of fossil fuels.
d) Decreases in fish populations.
Which of the following is the main reason why the ocean is salty?
a) Salts naturally form from water molecules in the ocean
b) Minerals and salts are dissolved by surface waters as they move over land into the ocean
c) Salts are spilled by ships as they sail through the ocean.
d) Salt dissolves from trash dumped into the ocean.
Which of the following statements is correct about Earth's water?
a) Only 1% of Earth's water is freshwater, and it is found in aquifers
b) Almost 97% of Earth's water is freshwater, and found in large lakes.
c) About 50% of Earth's water is saltwater, and is found in oceans
d) Only 3% of Earth's water is freshwater, and it is mostly found in polar ice caps, snow, and glaciers.
An area where freshwater mixes with saltwater is called__________
a) a watershed
b) an estuary
c) a river
d) the beach
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