Answer:
C. The moons gravity creates tides on earth, and the earths gravity keeps the moon in place.
Answer:
I'd say quotation marks and bold or what you have selected which would be italics
Answer: Puck, a shrewd and knavish sprite called Robin Goodfellow. Puck, is a mischievous imp of English tails, also known as Robin Goodfellow or as a Hobgoblin. This trickster was immortalized in A Midsummer Night's Dream.
Explanation:
The correct sentence is the second one "She built a high-performance CPU".
The first sentence should not contain a comma and is incorrect. The third sentence is incorrect because there shouldn't be a dash before CPU. The fourth sentence is incorrect because CPU is not written with dashes.