What was the purpose of Miller and Urey's experiment? A. to determine the number of biological molecules on Earth

B. to determine whether prokaryotes have cell membranes

C. to find out if prokaryotes evolved from eukaryotes

D. to see if simple molecules can combine spontaneously

Hint: It's D :)

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.

Tell the option first