Test: 4th Grade Science

1.

Scientists are studying different cliff faces and how their rates of erosion are affected by the slope of the rock formation. Meredith wants to come up with a way to extend the amount of time that it takes for a cliff face to be completely eroded. What can Meridith recommend doing after reviewing the relationship between slope and erosion rate in the table below?

Screen shot 2020 06 22 at 10.10.59 am

Building the cliffside up to increase the slope can decrease the amount of time it takes to erode.

Tearing the cliffside down to increase the slope can increase the amount of time it takes to erode.

Building the cliffside up to reduce the slope can increase the amount of time it takes to erode.

Tear the cliffside down to reduce the slope can decrease the amount of time it takes to erode.

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