Plant pollen found in sediment layers can provide scientists with information on how the earth's climate has changed over time.

The answer for this statement would be definitely TRUE. The use of the plant pollen that can be found in sediment layers can determine the type of plant species and in what period did it exist. This would say more on the type of climate that the Earth has on that period and how this has changed.

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.