In 60 years, from 1801 to 1862, the amount of cotton picked daily by an enslaved person increased 400 percent. The profits from cotton propelled the US into a position as one of the leading economies in the world, and made the South its most prosperous region.
Explanation:
Geomorphology is the study of the earth's landforms and the processes that sculpts/shapes it. The discipline covers a broad range of scope as it is not limited only to the earth surface.
✓The processes that forms the diverse landscape on Earth are diverse and intertwined
✓ It is a combination of biological, physical and various chemical processes.
✓To have a perfect knowledge of how a landform has evolved, geomorphologist must interact and
have some grasp about these other disciplines
✓Geology, geography, biology, chemistry e.t.c are all important in doing a detailed geomorphology
study of a place.
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The tundra is a biome on the Earth that covers approximately 20% of its land mass, and it is almost exclusively located in the Northern Hemisphere. It is an environment that helps in the regulation of the CO2 in the atmosphere, and it is one of the biggest natural CO2 sinks. The living organisms in the tundra, are using the CO2 for their needs, thus removing parts of it from the atmosphere, and when they die, because the tundra is cold, and the decomposition is very slow, most of the CO2 remains trapped, and doesn't go into the atmosphere.
Unfortunately, the global warming is slowly changing the tundra, and prolongs the summer periods, thus reducing the permafrost period of the year, so the decomposition of the living organisms is getting quicker, and also bigger percentage of the CO2 from them gets to the atmosphere.
