What is the term for the height of the ocean surface relative to a fixed, unmoving reference point?

• Albedo

• Absolute sea-level

• Climate change

• Glacier

The ability to reflect sunlight is known as ______.

• Albedo

• Climate engineering

• Global mean sea level

• Greenhouse effect

What is 'hard armoring'?

• Building structures to protect coastlines using rock, concrete, and steel

• A type of ice sheet

• A method of measuring sea level

• A process of rewilding.

Fill in the blank: The branch of science concerned with the properties of the earth's water is called ______.

• Hydrology

• Salinity

• Rewilding

• Managed retreat

What is salinity intrusion?

• When freshwater rises and alters saltwater sources

• When salt water rises from oceans and begins to alter freshwater sources

• When salt water decreases in the ocean

• When freshwater decreases in rivers.

Sea-level rise (SLR) is the upward trend in average ______ height.

• mountain

• river

• sea-level

• tree

What is soft armoring?

• Using concrete to protect shorelines

• Using natural materials to protect shorelines

• Building walls to protect shorelines

• Removing vegetation from shorelines.

A sponge city is a nature-based solution to urban flooding that uses natural resources like ______, vegetation, and open areas to absorb and dissipate water.

• concrete

• wetlands

• asphalt

• metal

What is a storm surge?

• Water that is pushed toward the shore by the force of the winds swirling around the storm

• A decrease in the elevation of the land surface

• An increase in ocean temperature

• A type of rainfall.

Subsidence is a decrease in the elevation of the ______.

• ocean

• land surface

• mountain

• sky