Where is the epicenter of the earthquake located?

The epicenter is the point on the earth's surface vertically above the hypocenter, point in the crust where a seismic rupture begins.

Explanation:

The epicenter is the point on the earth's surface vertically above the hypocenter (or focus), point in the crust where a seismic rupture begins.

Explanation:

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many other transport proteins, often called pumps, move materials against a concentration gradient. active transport drives molecules across a membrane from a region of lower concentration to a region of higher concentration. this process, shown in figure 5.1, uses transport proteins powered by chemi- cal energy.