Author Question: In San Francisco, earthquake hazard is increased for bridges and highways because ____. a. they ... (Read 42 times)

Coya19@aol.com · **on:** Jul 13, 2018

In San Francisco, earthquake hazard is increased for bridges and highways because ____.
a. they use poured concrete without reinforcing bars
b. their support columns are not sheathed in steel
c. many are built on soft mud and clays
d. the supports are anchored to bedrock
e. the weight of vehicles increases the load on the structure

Question 2

In a city, the best strategy for avoiding injury in an earthquake that arrives suddenly is to ____.
a. make your way to open ground as fast as possible
b. remain where you are during the shaking from P-waves, but attempt to leave the city before S-waves arrive
c. seek cover in the basement of the building or home you are in
d. remain where you are and lie next to a heavy and sturdy object
e. seek cover in the attic or top floor of the building you are in