The correct answer is "the universal topic". Universal topics are non specific themes which can be the main focus of an essay for example, "food", "animals", "friendship", "love", among other. Nonfictional works could be focused of any universal topic, and the author's purpose by writing the work is to elaborate in this topic with her or his readers.
Answer: You should always slow down, just in case at any railway. Especially if you can't see anything.
Explanation:
Answer:
this passage illustrates the planning process of space ship and satellite development .... the expenses, advantages and importance in future
