23, Old building syndrome refers to Increased pollution due to accumulation of b

Question

23, Old building syndrome refers to Increased pollution due to accumulation of belongings in 8. Dangers from unstable foundation due to deterioration C. Pollution from decomposition of plastic materials in old buildings D. Increased penetration of external pollution due to age of building 26. Aside from the loss of oll, direct damages, and cle an up costs, what other costs are often associated with oil spills? A. Disruption of shipping lanes. B. Loss of revenue due to fishing bans. Loss of revenue to tourism. D. All of answers are correct. 27. How are grain size and porosity related? A They vary considerably based on hydraulic conductivity. B. They vary considerably based on shape. C. They are inversly proportional. D. They are direclty proportional. 28. Ozone is desirable in the and harmful in the A. Stratosphere , troposphere B. Ozone is always harmful C Troposphere, stratosphere D. Stratosphere, inversion 29. Why are oil sands and oil shales mined more now then they were in the past? A. They are renewable, while conventional oil sources are not. B. None of these answers C. They are cleaner than conventional oil. D Conventional oil sources have become depleted. 30. Artesian wells are most likely to occur in.. A. wells located in unconfined aquifers. B. wells located in areas of subsidence. C. wells located in confined aquifers. D. wells located in perched aquifers.

Explanation / Answer

25. Answer: A. Increased pollution due to accumulation of belongings in other buildings.

Explanation: Old building syndrome or Sick building syndrome has no known cause, however there are some cases which have been associated with individual buildings. For example an occupant may not tolerate being inside a particular building like workplace.

26. Answer: D. All the answers are correct

Explanation: Oil spill can be defined as an accidental release of oil that can harm marine,oceanic ecosystems and these oil spills are very expensive, they can happen at anytime. Oil spills have major effect on environment,economy and tourism.

27. Answer: C. They are inversely proportional

Explanation: Porosity is not controlled by grain size and porosity is inversely proportional to grain size due to fracture initiation stress.

28. Answer: A. Stratosphere, troposphere

Explanation: Ozone occurs in two layers i.e good in stratosphere and bad in troposphere(ground level). The ozone layer filters out substantial amounts of UV(ultraviolet) radiation from the sun. In fact Ozone Layer is very crucial for the existence of mankind, but unfortunately some human activities are causing destruction to this ozone layer and it is been depleted.

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