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:
The answer is B abolition of slavery in the United States and the answer is D The founding of the Republican Party
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Answer: A handful of Italian philosophers claimed they were living in a new age at the end of the 14th century A.D. The barbarous, unilluminated "Middle Ages" were over, they said; a "rinascità" ("rebirth") of learning and literature, art and culture would be the modern day. This was the beginning of the era now referred to as the Renaissance.
Explanation:
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The Prime Meridian is a line of B. longitude and its longitude is defined as 0 degrees in geographical coordinate system. Longitude is a geographic coordinate that is measured in degrees and indicates the east-west position of a point on the surface of the Earth. It is denotes as a greek letter lambda (λ).
