Ocean current

what are sources of ocean currents?

• Wind

• Tides

• Change in water density

• All the previous answers

What are categories of ocean current?

• a- Deep ocean current

• b- middle ocean current

• c- deep ocean current

• a & c

Deep ocean represents ................ %

• 10

• 71

• 90

• 2.5

Surface (top) current represents ...........%

• 71

• 10

• 2.5

• 30.1

Ocean represents ................% from total global water

• 2.5

• 90

• 10

• 96.5

Water of ocean as deep as 400 m affected by ................ of ocean surface

• Tides

• heat of sun

• Wind

• lightning

Water at the north pole is ........... and has .............. concentration of salt

• cold - high

• cold - low

• hot - high

• hot - low

Cold Salty water has .............. dense

• less

• no

• more

• no correct answer

Thermohaline circulation cold water moves .............. while warm water moves ..............

• up - down

• down - up

• up - up

• down - down

.............. is an example of ocean current.