The Marine Environment

Shorelines are always changing due to what:

• Waves

• Tides

• Currents

• Earth’s rotation

What is the layer of shallow sand that is in front of most beaches called?

• Island

• Longshore bar

• Sand mound

If you are caught in a rip current, what do you do?

• Hope for rescue

• Swim against it until you are back on the beach

• Swim parallel to shore until you escape the current

• Give up

What are some depositional features of a shoreline?

• Spit

• Tombolo

• Sand dunes

• Barrier island

Man-made beach protective structures can have bigger coastal effects than designed for.

• True

• False

The rising of sea levels will have astronomical effects on coastal living spaces.

• True

• False

The continental slope is the shallowest part of the continental margin.

• True

• False

Deep-ocean basins contain:

• All of the ocean is a deep ocean

• Deep-sea trenches

• Abyssal planes

• Mid-ocean ridges

What hydrothermal vent ejects hotter material?

• Black smoker

• White smoker

What type of sediment comes from elements in the seawater?

• Terrigenous Sediments

• Biogenous Sedimets

• Hydrogenous Sediments

• Chemigenous Sediments