Answer: "compound" .
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"A substance FORMED when 2 (two) or more elements combine and lose their distinct properties is a <u> compound </u><u /><u></u>" .
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The San Andreas Fault in California :)
Answer:
Ans.1. If you are indoors, drop and take cover under a sturdy table or other furniture. Hold on to it and stay put until the shaking stops.
Stay clear of items that can fall and injure you, such as windows, fireplaces and heavy furniture.
Stay inside. You may be injured by breaking glass and falling objects if you run outside.
If you are at the coast, walk to higher ground away from the ocean as soon as it is safe for you to move.
If you are driving, move your car as far out of the normal traffic pattern as possible and stop if it is safe. Stay away from structures or objects that could fall on you, such as bridges, overpasses, light posts, power lines or trees. Stay inside your car.
If you are in the mountains, or near unstable slopes, be alert for falling rocks, trees or landslides that could be loosened by the earthquake.
Ans.2.Rural/Urban area: Rural areas have fewer people and fewer buildings so the size of the disaster is smaller. Distance from the epicentre: The closer a town or city is from the epicentre the more damage will be caused because of the strong seismic waves.
Ans. 3 There are three basic types of seismic waves – P-waves, S-waves and surface waves. P-waves and S-waves are sometimes collectively called body waves.
The second largest economic activity in Sub-Saharan Africa is farming
<h3>What is farming?</h3>
Farming refers to to the process of growing plants and animals.
There are two types of farming commercial farming and subsistence farming
commercial farming is the process of farming in large scale mostly using machineries while subsistence farming is a method of farming that is relatively small and hence di not require machines.
In sub-Saharan African mining is the major economic activity where countries like Nigeria depend more on extraction of mineral resources especially Gold and Oil.
The next after mining is farming
Learn more about sub-Saharan African here:
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