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Social Studies, 12.11.2020 18:10 pmmb4621

I will give brainliest According to "Katherine Johnson Biography," why were NASA astronauts worried about "putting their lives in the care of the electronic calculating machines"?

The machines sometimes had problems and blackouts.

Astronauts were not used to working with complex machinery.

Astronauts were known to be very superstitious.

The machines were programmed by people like Katherine.

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