It would be the 3rd one (auf)
Asian community would be stronger.
Answer:
One more example: you and your friend are looking for your car in the parking lot. You want to say 'I see yours but not mine. ' The possessive pronouns you need are 'mine' which is mein in German and 'yours'which is dein in German.
Explanation:
When oceans evaporate, halite forms/through evaporation of a solution.