1. More people in the world are threatened by natural disasters today than 100 y
ID: 600 • Letter: 1
Question
1. More people in the world are threatened by natural disasters today than 100 years ago because ?
a. Because plate tectonics are more active than 50 years ago.
b. obsession of people with their cell phones
c. global populaton increase
d. satellite communication technology
e. advances in construction technology
f. more rapid and effcient transportation systems.
2. The earth rigid pieces of lithosphere move relative to one another atop the mobile asthenosphere. the flow in the asthenosphere the facilitates the movement of the pieces of lithosphere above is.
a. plastic flow of solid rock
b.the flow of molten rock
c.the flow of hot water
d. the flow of hot carbon dioxide and other gases
e. none of the above
3. which of the following has NOT a type of investigation used bu scientist to learn about plae tectonics
a. Study of earth magnetism
b. Study of earthquakes
c. Study of the age of rocks
d. Study of the sea floor
e. Direct observation of mantle flow by a remote tunneling vehicle
Explanation / Answer
1)d)this leads to construction at places, where generally people would not have thought to dwell.
2)b
3)e,obviously.
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