Ahill is made of rock particles of different sizes. which of these agents of
erosion probably caused the hill to form?
a flowing water
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b. waves
c. glacial ice
d. wind

The agents that cause hill to form is flowing water and wind.

Explanation:

Erosion is  natural process. The Earth keeps changing due to erosion or due to deposition. Agents of erosion are wind and moving water.

Water is always an important agent of erosion. Soil erosion is caused due to running water. It carries soil particles downhill along with it. The energy of running water in a river is responsible for getting the hills and valleys carved into their shapes. Similarly, wind also carries particles, sand along with it and deposits at different places forming hills.

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