Spiral

Where is the majority of Earth’s freshwater located?

• groundwater

• oceans

• lakes

• ice

Tags

NGSS.MS-ESS2-4

NGSS.MS-ESS3-1

Which is the most abundant freshwater resource in North Carolina?

• estuaries

• icebergs

• oceans

• rivers

Tags

NGSS.MS-ESS2-4

Which best explains why estuaries are an important habitat for many marine organisms in comparison to the open ocean?

• There is less food in estuaries.

• There are more predators in estuaries.

• There is more salt available in estuaries.

• There are more nutrients available in estuaries.

Tags

NGSS.MS-LS2-1

Which best explains why inhabitants of an estuary must adapt to frequent environmental changes?

• Estuaries receive little sunlight.

• The water temperature is constantly warm.

• The salinity of the water is constantly changing.

Tags

NGSS.MS-LS1-5

NGSS.MS-LS2-4

How do oceanic upwellings promote the growth of microscopic plankton?

• They bring warmer water to the surface of the ocean.

• They bring dissolved nutrients to the surface of the ocean.

• They decrease the levels of oxygen at the surface of the ocean.

• They decrease the amount of nutrients at the surface of the ocean.

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-3

Which causes cold ocean water to rise during an upwelling event?

• motion of organisms

• deep water currents

• mass of nutrients

• surface winds

Tags

NGSS.MS-ESS2-6

Which would most negatively impact local water availability?

• floods

• droughts

• hurricanes

• tornadoes

Which would result in the greatest strain on the local water availability?

• increased farm activity around local waterways

• decreased farm activity around local waterways

• decreased industrial activity

Which best describes the source of oxygen in ocean water?

• Oxygen is produced by marine plants in the process of making food.

• Oxygen is produced through the exhalations of marine animals.

• Oxygen is produced through precipitation falling on the ocean.

• Oxygen is produced by nodules on the ocean floor.

Which are the most abundant dissolved gases in ocean water?

• nitrogen and carbon dioxide

• oxygen and carbon dioxide

• oxygen and methane