the atmosphere is the closest layer to the earth and it is made up of is made up of 78% nitrogen, 21% oxygen, and smaller amounts of argon, carbon dioxide, helium, and neon.
I think c but it might be very wrong
Nixon took part in a historic reconfiguration of Cold War policy when he agreed to the Strategic Arms Limitation Treaty with the Soviet Union. This treaty greatly decreased the possibility of nuclear warfare between the US and Soviet Union and helped relieve political tensions between these two countries. The Strategic Arms Limitation Treaty was a result of the Moscow Summit that took place in May of 1972.
Answer:
When a new law was proposed, all the citizens of Athens had the opportunity to vote on it. To vote, citizens had to attend the assembly on the day the vote took place. This form of government is called direct democracy. ... Ostraka are shards of pottery that were used as a voting ballot in ancient Greece.
