Which of the Following Statements Best Describes the Impact of Human

question 43

Multiple Choice

Which of the following statements best describes the impact of human activities on the cycling of nutrients in natural systems?

• A)Human activities are essentially benign and have little lasting impact on either atmospheric or sedimentary nutrient cycling.
• B)Human activities have profoundly impacted nutrient cycling, particularly with those nutrients that cycle within the atmosphere.
• C)Human activities like mining, construction, and road building disrupt the Earth's surface and greatly increase those nutrients with sedimentary cycling pathways.
• D)Human activities in general significantly enhance nutrient availability and are almost always associated with ecosystem improvements.

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Definitions:

Traditional Phone Network

The landline telephone system, also known as the public switched telephone network (PSTN), which uses copper wires to transmit voice communication.

DSL

Digital Subscriber Line, a family of technologies that provide internet access by transmitting digital data over the wires of a local telephone network.

56K Modem

A type of modem used for dial-up internet access, allowing data transmission speeds up to 56 kilobits per second.