Why does the earth shake when there is an earthquake

What is the least perimeter of a rectangle with an area of 32square. ft

A school principal ordered 1,000 pencils. He gave an equal number to each of 7 teachers untill had given out as many as possibe. How many pencils were left?

Bass ball rolling across the floor floor has

According to continental drift, the continents were once connected. True or false?

Where does the sun rises? A. horizon B. North C. North East D. all of the above

A major problem with Wegener's Continental Drift Hypothesis was that he could not find rocks or other geologic features that would have been continuous from one continent to the next if the continents had been together. True / False.

Earlier in the course, you learned that the Hawaiian Island chain stretches far to the northwest and then continues underwater all the way to Asia.

Describe the general level of tariff rates between 1820 and 1860

Small family farms are part of the agribusiness pathways. True or false

Scroll over to Iceland and find the Reykjanes Ridge. Do you see how close these volcanoes along this ridge are to Europe? Could they have caused enough smoke and ash to shut down air travel there because of visibility?