What are limiting factors in an ecosystem?

They said i have got a sign of tuberculosis what should i do

What causes temperature extremes in the desert

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?