In which layer is oxygen content the highest?

Why does the skin of your finger shrink when you wash clothes for a long time?

Heat from earths interior and pressure from overlying rock transform the remains of marine sediments into

20 points and brainlist 1. london has suffered from terrible air pollution for at least seven centuries. why is the city so prone to its famous “london fog? ” what did london do to get rid of its air pollution? 2. why does air pollution cause problems in developing nations more than in developed ones?