Found at the lowest point of a large drainage area, these seasonal, marsh-like ponds collect and store water from rain and runoff. Unlike vernal pools, playas generally fill when temperatures are unsuitable for plant growth, and often the water is salty, alkali or both.
source- google
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B. In the twentieth century alone, the world population grew by more than 5 billion people.
C. Population grew slowly until the eighteenth century because death rates were higher.
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- Hannah ❤
That would be correct. Regions in between the two tropics are considered tropical regions and experience tropical weather.
The atmosphere layer closest to the earth is referred to as the troposphere. Beyond the troposphere are the stratosphere, the ozone layer, the mesosphere, and the thermosphere. The atmosphere is made up of 78% nitrogen, 21% oxygen, and smaller amounts of argon, carbon dioxide, helium, and neon.
yangtze river and the yellow river