The industry in the United States has changed a lot for the past 50 years. For example, we have advanced technologies, such as robotics and computerized automatization, have transformed manufacturing in the region. Also, farming the region's factories produce greater quantities of goods with fewer workers that in the past.
Whether an eruption will produce lava flows or pyroclastic debris depends on the viscosity of magma and the gas content
<h3>What is a Volcano?</h3>
This refers to the eruption of hot lava from the surface of the earth as a result of a tectonic shift.
Hence, we can see that the two main factors that determine the content that comes out when an eruption occurs are both the viscosity of the magma and also the gas content.
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Answer:
When the entire lake reaches 40 F, the surface water cools further, dropping below 40 F. Because this water is now less dense than the surrounding water, it will stay on the top and continue to cool. Once the surface water falls to 32 F, it freezes. The freezing then spreads downward into the lake and the ice thickens
Explanation:
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Answer:
The volcano injected some 15 billion tons of sulfur dioxide into the stratosphere. There it reacted with water to form a layer of aerosol particles, which are primarily sulfuric acid droplets. Winds have take those aerosol particles all around the world. The stratosphere lacks rain clouds as a mechanism to wash out pollutants fast. This heavy influx of aerosol pollutants will remain in the stratosphere for years until natural chemical reactions and atmospheric circulation can filter them out.
Explanation:
Answer: A - an island with a long history of self-rule and a homogeneous ethnic identity, although the island has been under the control of a colonial power for the last 30 years.
Explanation:
A nation is a stable community of people, formed on the basis of a common language, territory, history, ethnicity, or psychological make-up manifested in a common culture.
It is a cultural-political community that has become conscious of its autonomy, unity, and particular interests.
Nations are like islands surrounded by water and they have previously under the colonial rule before they gained independence.
