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Why is the health of the ocean important to humans?
provides minerals, energy and food
This is how the temperature of the ocean water affects the amount of oxygen it contains.
as temperature rises there is less oxygen
Do currents affect the climate of coastal areas?
yes
What causes tides?
gravitational pull moon
What causes surface currents?
wind
The salinity of ocean water is about 35 g per 1 kg of this.
dissolved salts
An increase in carbon dioxide causes the ocean water to become...
more acidic
What causes the water to move between the water and air if the wind is blowing?
friction
What forms when the top of the wave moves faster than the bottom and the wave collapses?
breaker
Does warm water or cold water evaporate faster leaving salt behind?
warm
When gases get mixed at the surface, how do they get mixed to deeper levels?
waves mix them in
How much of the Earth's surface is covered with ocean?
3/4
What are cold currents that bring nutrients to the surface?
upwellings
What is a circular system of currents?
gyre
What motion do water particles in waves travel?
ciruclar
An increase in ocean salinity can cause this.
density current
