What are the chambers of the mammalian heart

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?

Me with biology endocrine system crossword also image left i need with hw

Which process is represented a.) deletion b.) nondisjunction c.) translocation d.) insertion