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Which best describes the water in an estuary?
They receive nutrients from both rivers and the ocean.
salinity level
Upwelling carries nutrients to the surface of the ocean.
Sonar provides detailed images of small areas of the ocean floor.
sonar
brackish
It has many areas to hide from predators.
There would be more pollutants in the oceans.
Which technological tool uses a sound echo to measure distance?
They receive nutrients from both rivers and the ocean.
salinity level
Upwelling carries nutrients to the surface of the ocean.
Sonar provides detailed images of small areas of the ocean floor.
sonar
brackish
It has many areas to hide from predators.
There would be more pollutants in the oceans.
Which would be the impact on the environment if there were no estuaries?
They receive nutrients from both rivers and the ocean.
salinity level
Upwelling carries nutrients to the surface of the ocean.
Sonar provides detailed images of small areas of the ocean floor.
sonar
brackish
It has many areas to hide from predators.
There would be more pollutants in the oceans.
Which characteristic distinguishes an estuary from other bodies of water?
They receive nutrients from both rivers and the ocean.
salinity level
Upwelling carries nutrients to the surface of the ocean.
Sonar provides detailed images of small areas of the ocean floor.
sonar
brackish
It has many areas to hide from predators.
There would be more pollutants in the oceans.
Which best explains why estuaries are productive ecosystems?
They receive nutrients from both rivers and the ocean.
salinity level
Upwelling carries nutrients to the surface of the ocean.
Sonar provides detailed images of small areas of the ocean floor.
sonar
brackish
It has many areas to hide from predators.
There would be more pollutants in the oceans.
Which best explains what happens to nutrients in the ocean as a result of upwelling?
They receive nutrients from both rivers and the ocean.
salinity level
Upwelling carries nutrients to the surface of the ocean.
Sonar provides detailed images of small areas of the ocean floor.
sonar
brackish
It has many areas to hide from predators.
There would be more pollutants in the oceans.
How does sonar technology help scientists monitor the hydrosphere?
They receive nutrients from both rivers and the ocean.
salinity level
Upwelling carries nutrients to the surface of the ocean.
Sonar provides detailed images of small areas of the ocean floor.
sonar
brackish
It has many areas to hide from predators.
There would be more pollutants in the oceans.
Which characteristic of an estuary makes it a good nursery area for marine organisms?
They receive nutrients from both rivers and the ocean.
salinity level
Upwelling carries nutrients to the surface of the ocean.
Sonar provides detailed images of small areas of the ocean floor.
sonar
brackish
It has many areas to hide from predators.
There would be more pollutants in the oceans.
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