Where does the exchange of oxygen, nutrients, and wastes occur?

a.) in capillaries
b.) in arteries
c.) in the lungs
d.) in the atria

Mike is hosting an outdoor movie screening for his school, and he needs to find out what time the sun is scheduled to set on the date he has in mind. which reference book would be most beneficial to him? a. atlas b. almanac c. thesaurus d. encyclopedia

What domestic issues did england and france have?

Who was in charge of american troops during world war i?