What causes swelling, redness, and itching caused by an allergic reaction? Harmful Pathogens? T Cells? V Cells? or Histamine?

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

Sometimes without even knowing it, people waste fresh water. write an editorial for our school newspaper. try to convince your readers that saving and recycling water should be something they do every day.

Why would a person’s self-esteem affect his or her health?