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In 1986, several robotic spacecrafts were sent into space to study the Halley's Comet. Which of these statements best explains why humans should continue to send robotic spacecrafts into space?

AThey absorb harmful radiations in space.
BThey help change weather conditions on Earth.
CThey help discard some myths about objects in space.
DThey destroy meteors and comets which might strike Earth.

Verified Answer :

AL2006

No spacecraft has been built yet that was able to absorb harmful
radiations in space, change weather conditions on Earth, or destroy
meteors and comets which might strike Earth.

We should continue to send robotic spacecrafts into space
because they help discard some myths about objects in space. 
In other words, they help us learn things that we never knew before.

Answer:

the answer is

Explanation:

C. They help discard some myths about objects in space.

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