For Several Generations,your Family Has Lived on a Farm with a Water

question 20

Multiple Choice

For several generations,your family has lived on a farm with a water well.There has never been a problem with the water supply in the past;however,your well has now gone dry.There are several small farms nearby and a large and growing city 50 miles to the north.What can you conclude is the most likely reason for your well to become dry?

• A)The farmers nearby have suddenly started using much more water than they used to.
• B)The growth of minerals in pore spaces in the aquifer rock has decreased its permeability.
• C)As the city grew larger,more wells were drilled and water was overpumped,thus lowering the water table.
• D)The water has stopped infiltrating into the ground because of the overuse of pesticides.

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Definitions:

Stress

The body's response to any demand or challenge, which can be caused by both positive and negative experiences and can affect an individual's mental and physical health.

Immune System

The complex network of cells, tissues, and organs that work together to defend the body against infections, diseases, and foreign substances.

Antigens

Substances that provoke an immune response, leading to the production of antibodies as part of the body's defense against infections and diseases.

Cancer Cells

Abnormal cells that divide uncontrollably and may invade nearby tissues or spread to other parts of the body.