Answer:
the level of the sea's surface, used in reckoning the height of geographical features such as hills and as a barometric standard
Explanation:
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<span>The world in spatial terms. ...Places and regions. ...Physical systems. ...Human systems. ...Environment and society. ...<span>The uses of geography.</span></span>
A change over time because of the government
The Sahara desert is important for a multiple of reasons. One is that although it is a desert, there are many fertile areas of land making it great for farming and supporting life. It also acts as a natural barrier in between north and south Africa, which was able to impact trade with the South, slowing down innovation on both sides.
Earthquakes occur when stress builds up in the Earth's crust and causes it to break in a line known as a fault. A fault is a crack in the Earth's crust caused by stress in the surrounding rocks.
