Answer:
Limestone areas are predominantly affected by chemical weathering when rainwater, which contains a weak carbonic acid, reacts with limestone. This causes the limestone to dissolve. Carbon dioxide from the respiration of animals (and ourselves) is one cause of increased carbon dioxide in the atmosphere.
The best type of map for displaying or representing population density would be choropleth maps. These maps are excellent for displaying numerical values on a map. They display data in shades of a single color with the lighter colors representing smaller values and the more intense colors representing higher numerical values.
Explanation:
balance of trade, the difference in value over a period of time between a country's imports and exports of goods and services, usually expressed in the unit of currency of a particular country or economic union (e.g., dollars for the United States, pounds sterling for the United Kingdom).
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This is due to the change from winter to summer solstice