Question 1 Deserts receive less than 10 inches of annual rainfall. True False 1

Question

Question 1

Deserts receive less than 10 inches of annual rainfall.

True

False

1 points

Question 2

All deserts are hot and lifeless.

True

False

1 points

Question 3

Stone abraded and shaped by this wind-blowing process are known as ___________.

Buttes

Mesas

ventifacts

Desert pavement

1 points

Question 4

Deserts lack abundant water because of water flow patterns.

True

False

1 points

Question 5

To form, sand dunes need an abundant supply of loose sand, wind to move the sand, and a setting fairly devoid of vegetation but with objects that obstruct wind.

True

False

1 points

Question 6

Two or more alluvial fans that have joined together are referred to as ____________.

Arroyos

Oases

Bajadas

Playas

1 points

Question 7

The flowing rainwater sometimes picks up sand, silt, and other sediment and then deposits it elsewhere. Sediment deposited by a stream is known as _______________.

Alluvium

Alluvial fans

Bajadas

Playas

1 points

Question 8

Deserts covers about 25% of the Earth's surface.

True

False

1 points

Question 9

Which of the following are characteristics of deserts? (select all that apply).

high temperatures

high evaporation rates

abundant soil

wind-produced landforms

1 points

Question 10

What is desert pavement?

large flat-topped hills created by constant wind erosion.

a stony, inhospitable surface made from coarse-grained particles cemented together with calcium carbonate.

sediment transported by wind can be pushed or rolled on the surface.

isolated areas of vegetation in a desert, develop around these springs.

1 points

Question 11

What are triangular piles of alluvium?

Alluvial fans

Playas

Arroyos

Oases

1 points

Question 12

What is the aeolian process?

that is, the transportation, deposition, and erosion of sediment by humans

that is, the transportation, deposition, and erosion of sediment by wind

that is, the transportation, deposition, and erosion of sediment by water

that is, the transportation, deposition, and erosion of sediment by ice

Buttes

Mesas

ventifacts

Desert pavement

Explanation / Answer

1. True.

Deserts are almost found in every continent and also cover more than one fifth of the Earth's land. It is said that deserts are a place which receives less than 10 inches of rain per year.

2. False.

It is not mandatory that deserts have to be hot and lifeless only. Antartica is considered as a polar desert and is icy and cold. Also most of the deserts are too hot in summer and too cold in winters.

3. Ventifacts

They are bedrock surfaces that results by the abrasion and shaping through a wind blowing sediment.

4. True.

In deserts mostly there is less water available for vegetation. It is caused by the circulation patterns of air masses which in turn disturbs the water flow pattern.

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