Answer:
earths climate changed the plant eaters did not eat and then the meat eaters eventully died out
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Answer:
what does the image look like
Explanation:
<span>The Sputnik 1 was the first man made artificial satellite launched by the Soviet Union to orbit the earth. Sputnik 1 was a </span><span>polished metal orb, with four external radio antennas to broadcast radio pulses.</span>The launch by the Soviet Union triggered the Cold War between the United States and the Soviet Union.
Columbus the explorer set out to see if the earth was truly flat like they believed, in the end, he reached the “new world” which was most of the countries in the Western Hemisphere, predominantly America.
Answer: The technological changes included the following: (1) the use of new basic materials, chiefly iron and steel, (2) the use of new energy sources, including both fuels and motive power, such as coal, the steam engine, electricity, petroleum, and the internal-combustion engine, (3) the invention of new machines, such as... Hope this helps... :D