Answer:
D. 30%
Explanation:
Canada is the second largest country in the world with forest or other wooded land making up 40% of its 979 million hectares. Canada's forest cover represents 30% of the world's forest and 9% of the world's overall forest cover.
I can give you one:
One of the theories (in which i mostly believe in) is the one when every period of time, the climate changes. Now, we are in the warmth period, but after this period, there will be a cooler climate, and keeps repeating every while (think about the ice age)
A drought is an event where there are shortages of water supply. The water in question can be atmospheric, surface water or ground water. A drought can last for months or years, but sometimes for a few weeks. It can cause big problems and crises in a lot of countries.
Desertification is the process by which fertile land becomes desert typically as a result of drought, deforestation, or inappropriate agriculture. Desertification is a big problem in a lot of places, because deserts are getting bigger and people are loosing good land that can be used because of it.
Contour lines on a map indicate elevation, or depth. Numeric notations on contour lines refer to the level of elevation, or height about sea level.
Between 1931 and 1940 a ton of soil blew out of the central and southern great. It was a period of severe dust storms that greatly damaged the ecology and agriculture during the 1930s.
