Summarize the environmental impacts and consequences of the built environment for land cover and water quality.
What will be an ideal response?
Answers will vary, but at least two of the following three themes should be discussed. The built environment:
1. Disrupts, degrades, and eliminates the habitat needed for local biodiversity and associated ecosystem services.
2. Contributes to water quality degradation and contamination through stormwater runoff and erosion.
3. Affects the biogeochemical cycles of the local area, and may reduce groundwater availability.
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List four elements of the air-conditioning system that the total system control module must supervise.
What will be an ideal response?
What federal law impacts the generation of hazardous wastes and how does it impact it?
What will be an ideal response?
What is the difference between the sign-magnitude and 2's-complement systems of representing signed binary numbers?
A) In the 2's-complement system, all positive numbers are entered in the 2's-complement form preceded by "0" to indicate the sign and all negative numbers are entered in straight binary format preceded by a "1" to indicate the sign. The sign-magnitude system requires that positive and negative numbers be entered in straight binary form preceded by a "0" or "1" to indicate the proper sign. B) In the 2's complement system all numbers, regardless of signs, are entered in the 2's-complement preceded by a "1" or "0" to denote sign. In the sign-magnitude method, the magnitude bits represent the true binary value and the bit preceding the MSB represents the sign of the following bits. C) In the signed-magnitude system all numbers, regardless of their sign, are in straight binary format preceded by a "0" or "1" to denote the sign. In the 2's complement system, the negative numbers are entered in the 2's-complement form preceded by a "1" to acknowledge a negative number whereas positive numbers are entered in straight binary format preceded by a "0" to indicate the sign. D) In the sign-magnitude system all numbers, regardless of their sign, are in the 2's-complement form preceded by a "0" or "1" to indicate their sign. On the other hand, the 2's-complement system requires the sign-magnitude bits be in straight binary format preceded by a "0" or "1" to denote the proper sign.
Preventative maintenance activities for a UPS system may include: battery impedance, voltage, and ___________.
A. inspection of cable connections B. specific gravity test for the glycol solution C. shorting the output terminals D. All answers are correct