Sputnik was the first unmanned satellite launched into orbit in 1957.During which decade were manned satellites first sent into orbit?
The International Space Station is an example of
Which of the following is a renewable source of energy?
Which best describes the purpose of the International Space Station?
Images sent back to Earth from the Hubble telescope were the first to show the
The Green Revolution refers to advances that took place in
The map below shows worldwide ownership rates of televisions.

Advances in medical technology have improved human lives in which of the following ways? Select 4 options.
The Apollo-Soyuz Test Project was an example of
Astronauts and scientists conduct research studies aboard the International Space Station, a satellite that was built by
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