video 1.4

What is the North Pacific Garbage Patch mostly made of?

• Metal debris

• Glass bottles

• Large islands of trash

• Tiny microplastics

What drives the movement of ocean currents?

• Animal migration

• Differences in density and pressure

• Volcanic eruptions

• Earthquakes

How does the Coriolis effect influence ocean currents?

• It speeds them up

• It bends their paths

• It makes them flow in a straight line

• It stops them completely

What is a key role of deep ocean currents?

• Distributing nutrients

• Creating new islands

• Melting icebergs

• Causing tsunamis

What is a major source of ocean pollution from human activities?

• Submarines

• Passenger ferries

• Container ships

• Fishing boats