Matching
Arrange the following sentences in the order in which they
would appear in a text.
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1.
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Therefore, if you spend very much time outdoors, you are likely to be
“hit” by several cosmic particles a week.
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2.
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Finding meteorites elsewhere on earth is an extraordinarily rare
experience.
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3.
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All the same, with fall speeds of a centimeter per second and masses of a
billionth of a gram, the meteorites produce imperceptible impacts.
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4.
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About the only place on earth where meteorites can ever be found is on the
Antarctic blue ice fields.
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5.
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Although invisible without special equipment, small cosmic particles as fine as
dust are actually very common everywhere in our environment.
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6.
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Altogether only about a dozen newly fallen meteorites are found each year,
whether in the Antarctic or elsewhere.
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7.
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Each year more than 10,000 tons of these minute particles enter the atmosphere
and fall to the surface of the earth.
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8.
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This apparent scarcity, however, applies only to those extraterrestrial
materials large enough to be seen with the naked eye.
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