The early atmosphere on Earth was mostly carbon dioxide.
It was also poisonous and extremely hot.
Atmosphere is the gaseous envelope of a planet.
Today's atmospheric functions include sustaining life with oxygen, produced from plants; filtering harmful rays from the sun, helping in protecting the Earth from meteor collisions.
Answer: They were turned away by members of the Arkansas National Guard.
Explanation: September 4, 1957 was the first day of classes at Central High. Governor Orval Faubus called in the Arkansas National Guard to block the black students' entry into the high school. Later on, Eisenhower sent in federal troops to escort the Little Rock Nine into the school. It drew national attention to the civil rights movement.
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Answar iis tge C...........
Answer:
B
Explanation:
Advertisers tend to talk up their products, so it's more desirable to the consumer, it's how they make sales and stay afloat in the marketing business.
The Underground Railroad is not a railroad that is underground, instead, it is referring to a secret passage for slave escaping in safe houses. The conductor of the Underground Railroad could be the person who helps the slave escape, the lines could refer to the road or the passage which the slaves escaped from one safe house to another, the station could refer to the stops they make in the safe houses, and the freight may refer to the slaves that are escaping.
