The answer is ''Conversion of forests to grazing lands.'' So (C)
Answer:
Short Answer: Uplift and Erosion activities
Explanation:
Let's understand this briefly,
Name/Type - Grand Canyon (deep gorge)
Location - Northern Arizona (USA)
Formation - About 6 millions years ago
How - When the river (Colorado) started to cut channels through layers of sedimentary rocks
Formation Process - Weathering and Erosion
Forces which acted - Wind, Precipitation, Streams and snowmelt
Depth - 1830 m
According to question,
It is formed due to tectonic uplift in the region and due to vast erosion activities affected by enormous number of factors.
Siberia is extremely chilly in comparison with substantial land Russia, it has outstanding organic materials and oil. The southern coast of Siberia (South East) have excellent sort of wood for paper. For this reason most valuable to Russia and the republics because of expansion of industries and trade that has led to greater exploitation of the natural resources
hope this helps
The answer is..........Rilles