What part of the digestive system turns food from a solid into a liquid

Which element provides strength to the exoskeleton of clams and oysters

There is a liquid capsule inside a cup full of liquid. the cup full of liquid has salt in it and the liquid capsule has no salt in it. in which direction will the solvent flow? a. the salt does not have to move b. from the capsule to the larger cup c. equally between the capsule and the cup d. from the larger cup to the capsule

Greenthe fossil record is the history of life recorded byhuman observationgod.climatologists.remains of the past.