Answer:
The "grave danger" that the author is talking about is the danger of atomic weaponry
Explanation:
"Preliminary Statement of the Association of Manhattan District Scientists" was a 100-page report written after the atomic bombings in Hiroshima and Nagasaki.
The "grave danger" that the scientist is talking about in the article is the dangers of atomic weaponry. The article talks about the consequences that wrong decisions of leaders may have on its nations.
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Answer:
Many beads of lapis lazuli, red carnelian, and agate stones.
Explanation:
Mohenjo-Dero is one of the significant sites of ancient civilization in the world. Lapis Lazuli and Red Carnelia and agate stones in different colours are found in the sites of Mohenjo-Daro. The artifacts reveal a trading connection with other civilization in ancient times. They traded with the Sumerians trough the Indus River that went to Egypt, Persian Gulf and Mesopotamia.
Answer:c.the great changes brought about when machines and factories replaced animal power and handmade goods
Explanation:
