The answer that i think best fits your question is c - a metaphor
Copernicus should be the topic, and the central idea should be how he came up with the heliocentric theory. I hope I helped, please tell me if I am incorrect or if you need more help!
Answer:
Electricity, gas, oil, and water
Explanation:
goods that are considered essential have a low elasticity of demand.
Answer:
what is that? what do you mean by" pronunciation of the word "Ailouros?"
Explanation: