true or false	fill in the blanks	answer the following
100 false Neap tide is an other name for Low tide	100 Warm currents Currents moving from equatorial regions to polar regions are known as _________	100 breaking of wave is called swash , and the recceding wave is called backswash Explain the following terms: Swash Back swash
200 true An aquifer is a water bearing layer of rock under ground	200 northern The gulf stream is in the ___________ hemisphere	200 refer to tb pg 65 What causes water pollution
300 false Only 4% of fresh water is on earth and 1% is in liquid form	300 Sediments Tides keep river mouths free of _________	300 refer to tb pg 63 give 4 uses of tides
400 false it actually is the bay of Fundy in Nova Scotia , The highest tides in the world occur in North America near Florida	400 cold any cold currents The ___________ currents move from the polar belt to the tropical belts , _________ is an example	400 refer to text book define all of the following wave length fetch high tides low tides plankton

The Hydrosphere

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