Which type of pollution comes from dust dirt in it lingering in the air

Foods that are required to be held hot must be

If water were a non polar molecule, how would its properties be different ? a.) water would be a much lighter molecule b.) water would be able to climb up inside plants c.)water would not be able to form hydrogen bonds d.) water would stick together much more strongly

What can friends provide to affect mental health positively? a)peer pressureb)challengesc)conflictd)com panionship