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Correct Answer: B) Music Cassette.
Correct Answer: B) Thomas Alva Edison.
Correct Answer: A) Inventions.
Correct Answer: D) Thomas Jefferson.
Correct Answer: A) True.
Correct Answer: D) Mark Zuckerberg.
Correct Answer: D) Dr.Robbert H. Goddard.
Correct Answer: D) All of the above.
Correct Answer: C) Remote-controlled.
Correct Answer: C) The lowest temperature possible.
Correct Answer: A) Benjamin Banneker.
Correct Answer: B) George Gamow.
Correct Answer: C) Lava lamp.
Correct Answer: A) Voice-activated.
Correct Answer: D) Waterproof.
Correct Answer: A) A more powerful steam engine.
Correct Answer: C) Interchangeable parts.
Correct Answer: B) Charles Hull.
Correct Answer: D) Copy and print very quickly and in large quantities.
Correct Answer: A) Morse code.
Correct Answer: B) J.B. Lamarck.
Correct Answer: D) C. Birdseye.
Correct Answer: A) Charles Babbage.
Correct Answer: C) Philippines.