Answer:
C. shallow and occur in the upper 15 to 20 km of crust, even though the San Andreas fault cuts through the crust to deeper depths.
Explanation:
Earthquakes in California usually occur in the upper 15 to 20 km of crust. This is the case even though the San Andreas fault cuts through the crust to deeper depths. The San Andreas fault extends roughly 1,200 kilometers through California, and it forms the tectonic boundary between the Pacific Plate and the North American plate. It is believed that there is significant risk of a major earthquake (greater than 7.0) along this fault, particularly in the southern section of the fault, which is the region along Los Angeles.
Competition, Social Hierarchy, and Territorial Imperative
Movements of tectonic plates create volcanoes along the plate boundaries, which erupt and form mountains<span>. A volcanic arc system is a series of volcanoes that form near a subduction zone where the crust of a sinking oceanic plate melts.
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Answer:
regular childhood vaccination
good sanitation
availability of medical care and treatment
Explanation:
The United States controls and prevents the spread of diseases in many ways. One of which is "regular childhood vaccination." This is considered to <em>be the most effective way. </em>There are about 10 vaccines that are recommended to kids.
The USA also follows<em> good sanitation</em> which includes<u> potable drinking water supply</u> available to most people and <u>having enough sewers were wastes are expelled.</u>
<em>Medical care and treatment in the USA is more advanced than other countries.</em> This is the reason why some people seek treatment in the USA when their disease is also more advanced and debilitating. <em>The USA has specialized facilities </em>catering to different kinds of diseases and their corresponding treatments.
