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What is bottom board for mobile homes?

What is bottom board for mobile homes? The black material enclosing the base of a mobile home is known by several names: bottom board, belly board or paper, black board, etc. Typically, the material used is asphalt-impregnated fiberboard or fiberglass, cloth or heavy tar paper and woven polyethylene. All serve the same purpose: Prevent moisture […]

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What kind of storms form over oceans?

What kind of storms form over oceans? tropical cyclones What is the name of the storm that brings wind and heavy rain? Professor of Atmospheric Sciences, Creighton University. Cyclones form in low-pressure zones over warm intertropical seas. Tropical cyclone, also called typhoon or hurricane, an intense circular storm that originates over warm tropical oceans and […]

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What are the different layers of soil soil horizons?

What are the different layers of soil soil horizons? Most soils have three major horizons — the surface horizon (A), the subsoil (B), and the substratum (C). Some soils have an organic horizon (O) on the surface, but this horizon can also be buried. The master horizon, E, is used for subsurface horizons that have […]

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What does a trade surplus mean?

What does a trade surplus mean? A trade surplus is an economic indicator of a positive trade balance in which the exports of a nation outweigh its imports. Trade balance can be arrived by reducing the total value of imports from the total value of exports. Which country has trade surplus? In 2019, China was […]

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How big are granules on the sun?

How big are granules on the sun? about 4 million What is a sunspot on the sun? Sunspots: One interesting aspect of the Sun is its sunspots. Sunspots are areas where the magnetic field is about 2,500 times stronger than Earth’s, much higher than anywhere else on the Sun. Because of the strong magnetic field, […]

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What work did Italian immigrants do?

What work did Italian immigrants do? Italian immigrants helped provide the labor for American factories and mines and helped build roads, dams, tunnels, and other infrastructure. Their work provided them a small economic foothold in American society and allowed them to provide for their families, which stood at the core of Italian-American life. What kept […]

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What type of sedimentary rocks are evaporites?

What type of sedimentary rocks are evaporites? Evaporites are layered crystalline sedimentary rocks that form from brines generated in areas where the amount of water lost by evaporation exceeds the total amount of water from rainfall and influx via rivers and streams. What is an evaporite mineral? Evaporite, any of a variety of individual minerals […]

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Why is Greenland population so low?

Why is Greenland population so low? It is not a continent, but due to its large area and the relatively small population of less than 60,000 people, Greenland is also the most sparsely populated country in the world. All of Greenland’s cities are built along the 27,394-mile coastline because it is the only area in […]

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