DENDROLOGY

FOREST ECOLOGY

FOREST SUCCESSION

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
One characteristic feature of tundra is that only the surface thaws in the summer and refreezes in the winter, leaving a layer of permanently frozen subsoil. This characteristic is known as
A
glaciation
B
permafrost
C
crystallization
D
soilfrost
Explanation: 

Detailed explanation-1: -One characteristic feature of tundra is that only the surface thaws in the summer and refreezes in the winter, leaving a layer of permanently frozen subsoil. This characteristic is known as . permafrost.

Detailed explanation-2: -Permafrost is a permanently frozen layer below Earth’s surface. It consists of soil, gravel, and sand, usually bound together by ice.

Detailed explanation-3: -Tundra biome is located in the far north and is characterized by persistent soil ice (permafrost) throughout the growing season which in turn does not allow growth of any vegetation.

There is 1 question to complete.