What is the present participle from of prove

George orwell intended for his novel to be a warning against totalitarianism. use examples from the novel to show things that are present in the novel that can be found in societies today.

Lorek lives near the north pole. the snow in his backyard adds water to the atmosphere through )transpiration )evaporation )sublimation )condensation

How do u ask a person what nationality someone is in spanish and german