19. Radon gas is an air quality concem because- A it forms naturally and accumul
ID: 294278 • Letter: 1
Question
19. Radon gas is an air quality concem because- A it forms naturally and accumulates in besements due to ies high demsity it is foumd concentration and radicactive expomure. t is an indicetor for radioactive sources in the rack below buildings where it is a highly toxic ges whch acmulates in basements D t forms etureiy and rises through the builiding due to its low density, increasing radiactve 20, Karst topography is found in.... A regions composed of igneous rocks such as grante. B. regions undergoing active subsidence. C. regions composed of rocks containing heevy metals. D. regions composed of calcite bearing rocks such as limestone. 21. A major limitation of solar energy s 8.Inability to store energy for when light level is low C. No technology exists to convert light to electicity D. It cannot be used as a direct heat source 22. The World Health Organization generated recommended levels of PM 2.5 and PM 10 because All of the answers are correct B. PM 10 particles are mostly from anthropogenic sources C. These particles fall within the inhalable range and have been shown to cause adverse health effects D. PM 2.5 make up the bulk of particulate matter mass 23. What is a "renewable" resource? A resource that is found everywhere on Earth. resource that is consumed at a rate less than or equal to the rate it is replenished. C A resource that does not pollute groundwater. D. A resource that is consumed at a rate greater than the rate it is replenished. 24 o i s most likely to form in which environment? kerobic tropical oceans environments deep within the ocean floor Arasrobic aigine terranes. her sreExplanation / Answer
19.{A} forms naturally and accumulates in the basements due to its high density and increasing concentration and radioactive exposure.
Generally accumulates in lower level with poor ventilation and is second largest cause of lung cancer in Canada.
20. {D} regions composed of calcite bearing rocks such as limestone.
Karst topography is formed from dissolution of rocks such as limestone, dolomite and gypsum.
21.{B} inability to store energy for when light level is low.
When the intensity of sunlight is not adequate it becomes difficult to exploit the solar energy.
22.{A} all the answers are correct.
WHO has suggested the given limit of the PM concentrations due to the given reasons.
Related Questions
drjack9650@gmail.com
Navigate
Integrity-first tutoring: explanations and feedback only — we do not complete graded work. Learn more.