If you're looking for the name of someone who studies the stars it would be an astronomer.
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Answer:
An atmosphere is the layer of gases that surrounds a planet.
Explanation:
The definition above is exactly what an atmosphere is.
All planets have atmospheres, of varying compositions depending on the location of the planet, the distance from the star they go round, the composition of the planet itself, and the presence or not of other celestial bodies nearby like moons or large asteroids.
Mars for example, has a very thin atmosphere, something that makes it hard for life to prosper in the red planet (so far, we have no evidence of life in Mars), and also makes it very cold, because atmospheres also act as mitigators of planetary climates.
Answer:
A, D, and E
Explanation:
Plessy v. Ferguson (1896), was a landmark decision of the U.S. Supreme Court that upheld the constitutionality of racial segregation laws for public facilities as long as the segregated facilities were equal in quality, a doctrine that came to be known as "separate but equal".
The underlying case originated in 1892 when Homer Plessy, resident of New Orleans, deliberately violated Louisiana's Separate Car Act of 1890, which required "equal, but separate" train car accommodations for white and non-white passengers.
Answer:
The First World War (WWI) was fought from 1914 to 1918 and the Second World War (or WWII) was fought from 1939 to 1945. They were the largest military conflicts in human history.
Explanation:
