Answer:
The universe is comprised of more than 75% of materials that are not visible and are often considered to be the dark matter. These are the baryonic matter that is formed due to the accumulation of protons, neutrons as well as electrons. They can be baryonic or non-baryonic type of matter. These dark matters are the substance that interconnects mostly by gravity along with some visible matter such as the stars and planets. These matters do not reflect light and they attract other matters, forming the major mass of the entire universe.
Explanation:
Sales taxes, tariffs on imports and exports, and legal prohibitions—such as the age restriction on liquor consumption—are all impediments to a truly free market exchange. ... Communist governments, which control the means of production, are not considered market economies because the government dictates supply and demand.
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agriculture
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Answer:
b. Two plates come together of different densities and one sinks under the other and melts.
Explanation:
<u>Subduction zones are places in the lithospheric plate where the convergent boundary happens. </u><u>Two plates come together, and one thrusts another and pushes it underneath.</u><u> The first plate goes above the second one, which sinks in the ground. </u>
The plate which has sunk under will end up partly melting by the magma inside of the earth. This eventually can lead up to the creation of the eruption of the vulcanos.
This is why the volcanos and earthquakes form at the subduction zones.
Eath is made up out of these tectonic plates, and the zones in which they meet have more frequent earthquakes.