Oceans
Storyboard-Text
- Rita visits her friend Avni's house for a group study.
- Sure. Why not? After all it is a new topic for us. I have an idea - why don't we watch a video online?
- Avni can we discuss the ocean topic. I'm afraid I don't understand it.
- Welcome back to LearnCenter! Today's topic is OCEANS
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- An ocean is a body of water that composes much of a planet's hydrosphere. It contains saline water. Salinity depends on rate of evaporation, amount of precipitation and amount of fresh water.
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- Oceans are warmest near the equator and become cooler towards the poles. Oceans are constantly in motion. Movements are caused by temperature difference, salinity difference, density variation and prevailing winds
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- Oceans are extremely important to us because Source of humidity and precipitation.Source of livelihoodSalt and mineral depositsHarnessed to generate electricity.Mean of transport.
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