Answer: That ancient land was located in the Middle East, a hot and sunny part of the world.
This is the only option that is correct. The sentence combines both ideas ("the ancient land was located in the Middle East" and "the Middle East is a hot and sunny part of the world) while maintaining the flow of the passage. Moreover, the sentence is grammatically and structurally correct.
I believe this would be yes but I think it depends on the person answering ><
Answer:
In academic writing, an argument is usually a main idea, often called a “claim ” ... papers, you will need to make some sort of claim and use evidence to support it, ...