Answer:
Water pollution is defined as the presence in groundwater of toxic chemicals and biological agents that exceed what is naturally found in the water and may pose a threat to human health and/or the environment.
Air Pollution is defined as the presence of substances in the atmosphere that have a harmful effect on human health as well as the health of other living organisms
Answer:
Social structure
Explanation:
Social structure is the collection of societal relations (such as social class structure, and social rules), and social institutions, that together form a stable pattern of relations between the members of a society.
For example, the social structure of a country might be feudal in its economic structure, and divided in three estates in is social class structure: nobility, clergy, and peasantry. Both the economic structure and the class system are part of the complex framework known as social structure, which determines the way a society is organized (in this particular example, the medieval european society).
Answer:
A. Tibet B. Manchuria C. Korea D. Mongolia
Answer:
C. Salt was able to preserve meat before the invention of
Answer:
If two or more individuals agreed to take action to kill President Kennedy, and at least one of ... The committee recognizes, of course, that while the work "conspiracy" ... Such a suggestion, however, raises another objection-- the search for ... in the assassination could have been possible, given