B)ï¿½ï¿½Listening for specific information. Choose the correct answer
When did the San Francisco earthquake happen?
What is the name of the device where the sismic waves are recorded?
How many earthquakes are recorded every year?ï¿½
How many people die every year because of earthquakes?
How much did the Alaska earthquake measure on the Ritcher scale?
C)ï¿½ï¿½Watch the last part of the video and complete the gaps.
ï¿½ï¿½ Thereï¿½s no stop in the of
the earth from changing and moving,
so engineers are ways to
create better buildings,highways
and bridges that will remain safe and
stay in onenext
time the earth begins to