Igneous rock derives it's name from the Latin word ignis which means fire. It is formed when the magma after volcanic eruption gets cool and solidified either on the surface of earth crust or inside the earth crust. These rocks are characterized by their hardness. These rocks undergoes no chemical weathering but exhibit very low mechanical or physical weathering may occur. Therefore, hardness is the property which can be used to identify the origin of an igneous rock.
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the soil remains above the bedrock that weathered to form the soil. Soil that remains above its parent rock is called residual soil.
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I believe the answer is A or B
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Domestic fuels are more preferred in comparison to international fuel sources. This is so because, domestic fuels do not need combustion as a facility. What happens is that while trying to obtain fuel internationally it leads to there existing threats. Such threats are posed in the form of risking security
-found this off search I hope this helps
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There are 8 planets in the solar system unless you count Pluto which is so small for a planet they call it a dwarf planet.
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