'Climatic variations' and 'Human activities' can be regarded as the two main causes of desertification. removal of the natural vegetation cover（by taking too much fuel wood）, agricultural activities in the vulnerable ecosystems of arid and semi-arid areas, which are thus strained beyond their capacity.
M = - 3
16m - 12 - m + 5 = - 52
16m - m = - 52 + 12 - 5
15m = - 45
m = - 45/15
m = - 3 ✔️
First turn 18% to a decimal, which is .18, then multiply it by 450.
450 x .18 = 81
The blank spaces in the task statement should be filled with; greater; slower respect.
<h3>Severity of storm activity along warm and cold fronts</h3>
Warm fronts conventionally often bring stormy weather as the warm air mass at the surface rises above the cool air mass, with the formation of clouds and storms.
Warm fronts move slower than cold fronts because it is more difficult for the warm air to push the cold, dense air across the Earth's surface.
Read more on storm activity;
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Answer:
the positive and negative effects that occur when people interact with their environment.
