Define groundwater, and list some anthropogenic (human) sources of groundwater pollution. Why do many scientists consider groundwater pollution a greater problem than surface water pollution

Explanation:

Groundwater is the freshwater present below the earth's surface. It originates from the rain, ice, melting snow.

Some anthropogenic sources of groundwater pollution are

Aluminum.Sulfur.Arsenic.Nitrates.Fluoride.

Groundwater pollution has more problems than surface water pollution because groundwater is mostly hidden and it is very difficult to view, manage and monitor.

Groundwater holds its contamination and pollutants that cause pollution whereas surface water rinses their contamination and pollutants.

The answer is c i just finished taking the test

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.