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### 7 Cards in this Set

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 DURING THE MAKING OF THE WATERFALL, WHAT IS THE HARD ROCK TO STOP IT FROM GETTING ERODED? RESISTANT AS THE WATER IS ERODING THE HARD ROCK, IT IS GETTING FURTHER AWAY. WHAT IS THIS CALLED? A LEDGE UNDERCUT DURING THE MAKING OF THE WATERFALL, WHEN THE HARD ROCK HAS NOTHING TO HOLD ITSELF UP, WHAT DOES IT DO? COLLAPES DURING THE MAKING OF A WATER FALL, AFTER THE HARD ROCK HAS COLLAPESED INTO THE PLUNGE POOL, WHAT DOES THE WATER FALL DO? RETREAT UPSTREAM HOW IS A MEANDER FORMED? IN A RIVER, WATER FLOWS FASTER ON THE OUTER CURVE OF THE RIVER. AS IT FLOWS FASTER, THE OUTER BANK GETS ERODED AND THE INNER SIDE GETS MATERIAL DEPOSITED ON IT. THE OUTER SIDE GETS WORN AWAY AND THE INNER SIDE GETS BUILT UP. THE BEND CREATES A MEANDER HOW IS AN OXBOW LAKE FORMED? WHEN A LARGE MEANDER GETS ITS OUTER BANK ERODED AND THE INNER BANK GETS DEPOSITED ON. THE MEANDER BENDS MORE AND MORE OVER THE YEARS UNTIL IT BECOMES A REALLY TIGHT LOOP. THIS IS THEN CALLED A MEANDER CUT-OFF. WHEN THE WATER IS LEVEL AND REALLY HIGH THE RIVER HAS ENOUGH ENERGY TO GO STRAIGHT ACRSS THE LOOP. THE LOOP IS THEN LEFT AS AN OXBOW LAKE. AFTER A LONG TIME THE OXBOW LAKE SILTS UP AND DRIES OUT, AND PLANTS GROW IN IT NAME 7 DIFFERENT CAUSES OF FLOODING 1. HEAVY RAINFALL 2. MELTING SNOW ESPECIALLY IF CAUSED BY RAINFALL 3. DEFORESTATION 4.OBJECTS CAN BLOCK DRAINS 5.BUILT UP AREAS 6. SATURATED SOIL 7. STEEP SLOPES