Which pair of organs, located in the lower back, collects liquid and waste from the blood? a. liver b. lungs c. kidneys d. skin

The answer is A Liver i hoped this helped you! :)

Explanation:

c. because step up transformer steps up the input voltage i.e increases the input voltage  

the number of turns are greater on the secondary side of step up transformer  

transformer does not handle dc current

"hydrogen bonding is the attraction of h atoms in the water molecule (slight + charge) to o atoms in a neighboring water molecule (slight - charge); it is a weak interatomic force. but it is still strong enough to the water molecules "stick" together."