Define permafrost.a. water below the surface of the tundra stays frozen all year long
b. the frozen soil in mountain highlands
c. rainwater that collects on rocks after a cold rainstorm
d. the dew droplets that freeze at high altitudes

Answers

Answer 1
Answer: B. The frozen soil in mountain highlands. Permafrost is a layer of soil that stays frozen year long, only in the polar regions
Answer 2
Answer: i think its b. the frozen soil 

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The diagram indicates that the third most abundant element in the milky way galaxy is _____.

Korea was divided into north and south along the __________ after World War II.

Answers

The correct answer is: the Korean Peninsula was divided along the 38th Parallel after World war II.

Currently the border is moved slightly(rather to the north) and the border is know as the Demarcation line - it's also no longer straight, as it was when it was the 38th parallel.

Answer:

38th parallel

Explanation:

One of the most important crops in Mesoamerica was maize, more commonly known as __________.A.
corn
B.
rice
C.
sugar cane
D.
wheat

Answers

The answer is A. Corn.
Corn! Was one of the most important crops for Mesoamerica.

A geologic feature of divergent plate boundaries in oceanic crust is the formation ofa. trenches.
c. U-shaped valleys.
b. fossils.
d. rift valleys.

Answers

D. rift valleys.

Trenches occur at convergent oceanic plates; fossils are extremely old bones, bodies, or footprints, which have gotten so old the intervening years have turned them into rock; U-shaped valleys are valleys which are shaped like the letter U, and are usually formed by glaciers, which tend not to occur underwater very often. 

A food product that has to be imported into a country for that country’s consumption most often becomes __________.a. unattainable
b. exotic
c. more expensive
d. less expensive

Answers

The correct answer is - c. more expensive.

A food product that has to be imported tends to have bigger price. This is a result of multiple factors:

- the product is not native, so it is seen as something exotic in most of the cases.

- the shipping costs can influence the price greatly, depending from how far away that product is delivered.

- most of the countries do require some amount of money for products getting through their borders, so that can up the price as well.

c. more expensive: because they'd have to pay the price of the food product, plus how much shipping costs. 

After the last ice age, stranded ice blocks left behind by the continental glacier melted and formed

Answers

the answer is  Kettles

Kettle is sediment filled body of water formed by melting glaciers.

When the ice blocks calved from the glaciers, they became submerged  in the sediment on the outwash plain and formed some kettle holes




Which nation is a world leader in desalination projects

Answers

Answer:

Saudi Arabia

Explanation:

  • As the desalination projects that are most essential objects in the Arabia world as the have more of the oil resources as compared to the water resources and hence to drink clean and safe water they have to desalinate it and thus the government relies heavily on the private sector for this cause.
  • Also, they reuse water at all levels and thus have a near 100% recycle rate of the water in buildings and the cities. And thus can carry out their agricultural practices. Desalinated water is produced from 17 locations and about 3.3 mn is produced each day.
Saudi Arabia is a nation that is a world leader in desalination projects