puccimyangelbaby
puccimyangelbaby puccimyangelbaby
  • 14-01-2018
  • Physics
contestada

the u.s has sent unmanned spacecrafts to ___ the planets in our solar system
a. all
b. none of
c. some
d. most

(its not c nor d)

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Inanotherworld
Inanotherworld Inanotherworld
  • 14-01-2018
I think it's C. if we're talking about a rover.

But if it's a rocket that's computerized and automatic (synonym of unmanned)... Then it's B.
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angelina101603
angelina101603 angelina101603
  • 14-01-2018
I think the answer is A.
Answer Link

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