Identify the type of sentence. The first milestone in lighting may have occurred when early man lit a torch from his cooking fire.
simple sentence
compound sentence complex sentence
compound-complex

Allusion and illusion. an allusion is an indirect reference, whereas an illusion is something that is unreal or incorrect. each of the nouns has a related verb form: allude “to refer indirectly to,” and illude (not a very common word), which may mean “to delude or deceive” or “to subject to an illusion.”

The answer is true, just look it up on google to verify.