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There is an enemy beneath our feet
-
an enemy more deadly for his complete impartiality. He
recognizes no national boundaries, no political parties. Everyone in the world is threatened by him.
The enemy is the earth itself. When an earthquake strikes, the
world trembles. The power of a
quake is greater than anything man himself can produce. But today scientists are directing a great
deal of their effort into finding some way of combating earthquakes, and it is possible that at some
time in the near future m
ankind will have discovered a means of protecting itself from
earthquakes.
An
earthquake strikes without warning. When it does, its power is immense. If it strikes a modern
city, the damage it causes is as great as if it has struck a primitive village. Gas
mains burst, explosions
are caused and fires are started. Underground railways are wrecked. Buildings collapse, bridges fall,
dams burst,
and gaping
crevices appear in busy
stree
ts. If
the quake strikes at sea
and huge
tidal
waves sweep inland. If it strikes in mo
untain regions, avalanches roar down into the valley. Consider
the terrifying statistics from the past 1755: Lisbon, capital of Portugal
-
the city destroyed entirely
and 450 killed. 1970: Peru: 50,000
killed. In
1968 an earthquake struck Alaska. As this is
a relatively
unpopulated part, only a few people were killed. But it is likely that this was one of the most
powerful quakes ever to have hit the world. Geologists estimate that during the tremors, the whole
of the state moved over 80 feet farther west in
to the Pacific Ocean. Imagine the power of something
that can move an entire subcontinent! This is the problem that the scientists face. They are dealing
with forces so immense that man cannot hope to resist them. All that can be done is to try to
pinpoint
just where the earthquake will strike and work from there. At least some precautionary
measures can then be taken to save lives and some of the property.
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Answers
Status NEW
Posted 15 Aug 2017 07:08 AM
My Price 10.00
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