Question

why could the Destruction of vegetation by human activity
devastate the tundra

Answer 1

The destruction of vegetation by human activity is devastating tundra by increasing the average global temperature of the planet, which is melting the polar ice.

Explanation:

• Because of human activities like destruction of vegetation, that is the cutting down of forests increase large amounts of carbon in the atmosphere in the form of carbon dioxide.
• Tundra are the areas between the Artic Circle and the North Pole in the northern hemisphere, and between the Antarctic Circle and South Pole, in Southern hemisphere.
• Carbon dioxide is a greenhouse gas which increases the temperature of the earth by trapping the sunlight, and hence causing heating of the planet. This heating increases the rate 9f melting of polar ice, and hence it it destroying tundra.
• The rapid melting of polar icecaps is expected to increase the sea levels, which may cause flooding in many low lying areas of the planet, especially island nations like Maldives, Fiji, etc, and coastal towns like Sydney, Mumbai, etc.