Answer:
The answer is, cooler materials are highly dense, causing them to sink to the outer core or letter B
Explanation:
The matter that is closer to the surface of the Earth cools faster, causing it to sink back down into the core and the hotter, less dense material to take its place. The Earth’s rotation also influences convection. Cooler materials move from Earth’s mantle to the lithosphere. Cooler materials are highly dense, causing them to sink to the outer core. Warmer materials sink to the mantle because their density slowly decreases. Warmer materials have a high density, causing them to rise to Earth’s surface.
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The correct answer is - A. Idaho.
The Columbia River is a big river and it flows through the western part of the North American continent. Its path leads it to cross through four federal states, tow of which are Canadian, and two are in the United States. The river starts its flow in Canada, in Alberta, moving in a northwestern direction. After that, it makes a sharp turn and moves in south direction while passing through British Columbia. It crosses the border between Canada and the United States, entering Washington, and after that Oregon, making multiple turns in different direction, and it ends up into the Pacific Ocean.
Answer:
Food, Work(unemployment) and climate change.
