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3. The main reason for land subsidence is A. desertification. B. the destruction of plant life. C. land exploitation. D. the removal of water from aquifers.
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Asked 7/23/2013 1:12:46 PM
Updated 6/8/2014 7:09:40 AM
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User: 3. The main reason for land subsidence is A. desertification. B. the destruction of plant life. C. land exploitation. D. the removal of water from aquifers.

Weegy: B. the removal of water from aquifers.
teacheryna|Points 171|

User: Which one of the following statements expresses a characteristic of MDCs? A. The population of MDCs is larger than that of LDCs. B. The age structure of MDCs is less stable than that of LDCs. C. People in MDCs use less water than those in LDCs. D. MDCs produce most of the world's hazardous wastes.

Weegy: Which one of the following statements expresses a characteristic of MDCs? B. MDCs produce most of the world's hazardous wastes.
alfred123|Points 2267|

User: The science of ecology developed from the study of A. natural history. B. biology. C. human populations. D. chemistry.





Weegy: Ecology (from Greek: , "house"; - , "study of"[A]) is the scientific study of interactions among organisms and their environment, such as the interactions organisms have with each other and with their abiotic environment. [ Topics of interest to ecologists include the diversity, distribution, amount (biomass), number (population) of organisms, as well as competition between them within and among ecosystems. Ecosystems are composed of dynamically interacting parts including organisms, the communities they make up, and the non-living components of their environment. Ecosystem processes, such as primary production, pedogenesis, nutrient cycling, and various niche construction activities, regulate the flux of energy and matter through an environment. These processes are sustained by organisms with specific life history traits, and the variety of organisms is called biodiversity. Biodiversity, which refers to the varieties of species, genes, and ecosystems, enhances certain ecosystem services. ]
Expert answered|nlewis123|Points 140|

Question
Asked 7/23/2013 1:12:46 PM
Updated 6/8/2014 7:09:40 AM
1 Answer/Comment
This conversation has been flagged as incorrect.
Flagged by andrewpallarca [6/8/2014 7:09:40 AM]
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The science of ecology developed from the study of natural history.
Added 6/8/2014 6:59:11 AM
This answer has been confirmed as correct and helpful.
Confirmed by andrewpallarca [6/8/2014 7:09:30 AM], Rated good by andrewpallarca
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