In order for evolution to occur: new genes must form during reproduction.
organisms must change from one kind to another through mutations.
both statements above would have to be true.

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?