The largest amount of total body water is found in the?

The largest compartment is the intracellular fluid compartment (ICF), which accounts for about two thirds of total body water. The extracellular fluid compartment (ECF) makes up the balance. Extracellular water can further be divided into the intravascular fluid compartment and the interstitial fluid compartment.

Explanation:

not sure if this is right tho

i think its the first one

b. lithosphere, asthenosphere, mesosphere   is the answer most likely