In Developing Countries,contaminated Water Is Responsible for the Deaths of More

question 42

Multiple Choice

In developing countries,contaminated water is responsible for the deaths of more than 1.6 million people.Contributing to this problem is the use of

• A)groundwater for consumption and the disposal of human sewage.
• B)groundwater for consumption and the disposal of human sewage in surface waters.
• C)surface waters for consumption and the disposal of human sewage.
• D)surface waters for consumption and the disposal of human sewage in groundwater.

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Definitions:

Antibodies

Proteins produced by the immune system in response to foreign substances, known as antigens, to neutralize or destroy them.

Immune System

The body's defense system composed of organs, tissues, cells, and proteins that works together to protect the body against pathogens, including viruses, bacteria, and foreign bodies.

Immunization

The process by which a person is made immune or resistant to an infectious disease, typically by the administration of a vaccine.

Pertussis

Also known as whooping cough, a highly contagious bacterial infection of the respiratory tract characterized by severe coughing spells that can interfere with breathing.