Answer:
An intrusion can form features such as d(i)kes and xenoliths. An extrusion could include lava and volcanic rock. Magma can intrude into a low-density area of another geologic formation, such as a sedimentary rock structure. When it cools to solid rock, this intrusion is often called a pluton.
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source: nationalgeographic.org
Answer:
3 a main or central government
Constitution:
<span>The </span>constitution<span> of a </span>country is a special type of law document<span> that tells how the </span>government<span> is supposed to work.
Democracy:
Government of the people , by the people , for the people .
Nation Building:
</span>Nation-building is <span>or structuring</span><span> a </span>national<span> identity using the power of the state. </span>
Most people live in the northern plains because of the fertile land and flat and level plains.
Explanation: