What causes the youngest layers to be on top? a. faulting

b. sedimentation

c. erosion

d. folding

2hydrogen and 1 covalent

It's cell theory. easy name i would think.

Very hard to understand

the glands which are associated with each description is given below:

pancreas - is an endocrine and exocrine gland that secretes juices with enzymes for digestion. salivary glands- with protection and digestion in the mouth. liver- secretes bile for digestion.   lachrymal glands - secrete tears to moisten eyes and protect them from particles and infection.   sweat gland -regulates water, salt, and temperature. oil glands - to form a protective barrier on the skin.   goblet cells - secrete mucus for protection.