Penicillin was so important because it was proven to reduce the amounts of deaths amputations and surgeries during world war1

<u>Sputnik </u>was the first man-made satellite to orbit Earth, launched by <u>Soviet Union</u> on October 4, 1957, inaugurated the space age. Sputnik 1, the first <u>artificial satellite</u> launched, was a 83.6-kg (184-pound) capsule.
They consisted of bamboo and sometimes metal. Their weapons were the Ōdachi, the katana the bow or umi and sometimes a short sword
Answer:Stocks and known as shares, and another name for stockholders is shareholders.
Explanation: