Grand Canyon: A Trail Through Time

When things (a)   , they explode or suddenly break into pieces. If the item was made of glass, the pieces might ​​ (b)   in the light.

• shatter
• glisten
• chasm
• eroding

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4.7.F

^__________ are guards or lookouts who stand in a place to keep watch.

• Shatter

• Embedded

• Chasm

• Sentries

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When the ground began ​ (a)   away from the rain water, it opened up a deep ​ (b)   , or crack in the ground.

• eroding
• chasm
• embedded
• glistens

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If a thing is ________, it is firmly set into something else that surrounds it.

• eroding

• embedded

• sentries

• glistens

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A ​ (a)   is a deep valley that has steep sides.

• canyon
• landscape
• glimpse

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When you look at a ________, you are looking at the area of land around you.

• summit

• landscape

• thrive

• vital

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Something that is ​ (a)   has beautiful scenery.

• scenic
• prehistoric
• submersible

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4.7.F