9. True or false: a dry flat lake bed that was formerly a playa lake is called a

Question

9. True or false: a dry flat lake bed that was formerly a playa lake is called a playa 10. True of false: the Nile river is an example of a permanently river that crosses an arid region 11. True of false: the Colorado river is an ephemeral stream 12. True or false: arid regions have complex systems of rivers and streams that drain exceeds water from the region into the ocean. 13. Match the term with it’s description: 8. True or False: Arid (desert) regions typically have interior drainage. formerly a playa lake is called a playa. 10. True or False: The Nile River is an example of a permanent river that crosses an arid region. 11. True or False: The Colorado River is an ephemeral stream. 12. True or False: Arid regions have complex systems of rivers and streams that drain excess water from the regio into the ocean. 13. Match the term with its description: The liting and removal of los artis lay and sit Blowout Deflation Abrasion Desert Pavement A stony surface caused by deflation Cutting and polishing of exposed rock by windblown sand A shallow depression caused by deflation

Explanation / Answer

ans 8) True

arid regions typically have interior drainage because the intermittent streams do not flow to the oceans.

ans 9 ) True

The statement is the explanation in itself.

ans 10 ) True

some permanent streams do cross arid regions , they originate outside the desert region but have excess water to compensate the loss in the arid region , the examples of such permanent streams are Nile and Colorado.

ans11) False

Colorado is not a ephemeral stream because ephemeral streams carry water only during or shortly after rainfall in the nearby areas but colorado is a permanent river.

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