Answer:
1) semicolon
2) comma
3) semicolon
Explanation:
semicolons are used to separate two independent clauses. Independent clauses are phrases that make sense on their own. The comma is needed in #2 because the phrases don't make sense on their own. In that case, a semicolon wouldn't work there.
Answer:
All the planets have atmospheres, are made of rock of gas, and some have moons or rings.
Explanation:
Not all planets have moons and rings, they all have atmospheres.
C is the answer for your question
Disneyland, founded in 1955, gave Americans a more thrilling and enjoyable ride. One of the country’s first theme parks, the theme park and its all-American cartoon style was incredibly popular with children and adults alike. While ferris wheels and boat rides were more common at the time, rollercoasters were considered dangerously exciting, thus appealing to the younger demographic.