Answer:
There are two reasons: at higher altitudes, there is less air pushing down from above, and gravity is weaker farther from Earth's center. So at higher altitudes, air molecules can spread out more, and air density decreases
Primitive subsistence agriculture is also known as slash- and-burn agriculture.
The seven seas are the Arctic, the Atlantic, the Indian, the Pacific, the Mediterranean<span>, the </span>Caribbean<span>, and the Gulf of Mexico.</span>
Many sugar plantations were built in the northeast region of brazil. Brazil is a country that is considered as the largest sugarcane producer in the whole world. The weather in brazil is perfectly suited for the production of sugarcane. Brazil is also famous for the production of cocoa and cotton. The sugarcanes produced go to the factories where sugar is produced and exported to different parts of the world. In the northeast region of brazil oil exploration is also a part of the economy along with tourism. Tourists from different parts of the world come here.
Long-term health effects from air pollution include heart disease, lung cancer, and respiratory diseases
Short-term air pollution can aggravate the medical conditions of individuals with asthma and emphysema.
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