Question

18)

Have you ever noticed things move or change in nature without the help of a human? Think about patterns of ripples formed in
sand on the playground, and a hole or dip formed in soit under a rain gutter. What is the BEST explanation of how things like this
happen?
A)
Soitand-rocks make changes tech season like teaves on trees
B)
Water and/or wind make changes to soil and/or rocks over time
C)
Gravity causes dirt on the playground and under gutters to move
D)
The Moon causes rocks and soil to move, like the tides of oceans
16)
Which process causes hillsides and mountains to gradually get smaller?
-)
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Answer 1

B)

Step-by-step explanation:

because the wind is moving the sand and the rain moves the soil

16) weathering and erosion