Where is the dna for an organisum found?

Ineed the definitions of all of these words nasap i will give 1o points to whoever awnsers

Differentiation of cells changes the nucleic information. true false

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?