<span>Chemical weathering occurs when there are changes in the chemical compositions of the rock or minerals from exposure to the environment.
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Physical weathering as known as mechanical weathering. which occurs when rocks and other landforms are broken down by physical factors in the environment.
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The part of China that is mostly grassland and dessert is Inner Mongolia
The automatic power loom is the source of the manufacturing of cloth
South America has a wide variety of climates. They range from the dry desert conditions of northern Chile to the heavy rains along the windswept southwestern coast of the continent. Steamy heat characterizes the tropical rain forest of the Amazon basin, while icy cold air surrounds the lofty, snow-capped Andean peaks.
Pangaea would be you answer.
