The last sentence is correct, because the other ones either had periods in the middle or too many commas in them.
Answer:
I have learnt about Greek gods such as the big three, which consisted of hades, Poseidon and Zeus, all powerful gods. I have learnt about Hermes, the messenger god, and Athena, the goddess of wisdom.
Answer:
Everyday life can get in the way of self discovery
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.
Answer:
C. The contents can tell us a great deal about how people lived in what is called the Neolithic era, or the last period of the Stone Age.
Explanation: