Water: Mastery Test
You notice a stream where the load mostly consists of large rocks and boulders that crash
into each other as they are carried downstream by turbulent waters. What effect do you
think these characteristics have on erosion?
O
A. the bed load probably causes very little
erosion because the rocks don't move very
much
O
B. the steep gradient probably causes heavy
erosion because gravity makes the water cut
deep into the channel
O
c. the bed load probably causes heavy
erosion as the large rocks scrape away the
sides and bottom of the channel
O
D. both b and c
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Johnny rode his bike 4 blicks down the street to his friend's house once he got to his friend house and realized he could not cone out to play he turned aroubd and went back home.what is displacement for the total bike ride? how did you determine this? what could we use as a reference point to determine he was in motion during his bike ride? why can you use it as a reference point

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