Final answer:
The Greek word that has been used to name places on Earth is 'Atlas,' with the Atlas Mountains being a primary example.
Step-by-step explanation:
The correct answer to the question "Which of the following is a Greek word that has been used to name places on the earth?" is A) Atlas. The Atlas Mountains are a clear example of this, being a mountain range in Northwest Africa. It is named after the Greek Titan Atlas, who in mythology was condemned to hold up the sky for eternity. The word 'Atlas' has also been used in various forms to describe collections of maps, further associating the term with geographical contexts.