What is the purpose of DNA replication? To add to and improve the original DNA To take out unnecessary parts of the original DNA To make two exact copies of the original DNA
To build useful proteins from the original DNA​

Ithink that b is correct but just in case wait to see if someone else answers

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.

Ibelieve is d but i’m not 100% sure

Non living: objects like rocks, buildings, and snow.living: animals, plants and humans.