Answer:
San Francisco has a history of earthquakes, while New Orleans has never had one. Because of risk assessment, buildings would be built much more sturdy in San Francisco vs New Orleans. New Orleans is surrounded by water and marsh and the area covered with loose sediment, which would exaggerate the ground movement. Both are densely populated but getting out of New Orleans is difficult (ex-Hurricane Katrina)
Explanation:
A Convex Lens is the type of lens used in magnifying glasses.
Sternal angle marks the joint between the sternum and the 2nd rib.
Option E.
<h3><u>Explanation:</u></h3>
Sternum is the breast bone which is a dorsi ventrally flattened bone present in thorax of human. It gives the support for the ribs where the ribs join. A sternum has three parts - Manubrium sterni, body of sternum and the xyphoid process.
The sternum has attachments of a total of 10 ribs and clavicle. The clavicle and the first rib joins in the Manubrium sterni, and the 3rd to 10th rib joins in the body of sternum. The 2nd rib joins in a facet which is partly in Manubrium sterni and partly in body of sternum. This place id also called the sternal angle. So the sternal angle marks the joint of 2nd rib to sternum.