<span>"Life without Gravity" is an essay that explores the exact concept that its name describes: a life without gravity. In the essay, it is discussed how milk being poured in a weightless environment would interact with the environment. The essay explains that it would likely create balls of milk. These balls would be floating, and would be large rather than small.</span>
Answer:
Germany's Schlieffen strategy was intended to force France into submission and to make France to comply and conquer Russia afterwards. It didn't work as Russian soldiers targeted Germany as German troops invaded France. The man who planned it was General Alfred von Schlieffen, the Chief of Staff of Germany.
Professor plum is showing the detached style of listening. This type of listener are intellectually not present in a conversation although they are present physically. In the situation described clearly the professor was not listening to what Roberto was saying.