This method can produce toxic gases.
A. Sanitary landfill
B. Incineration
Chemical treatment
D. Biological treatment
E. Discharge into sewers and rivers
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This method involves the use of bacteria and fungi.
A. Sanitary landfill
B. Incineration
Chemical treatment
D. Biological treatment
E. Discharge into sewers and rivers
This method can cause high BOD levels.
A. Sanitary landfill
B. Incineration
Chemical treatment
D. Biological treatment
E. Discharge into sewers and rivers
Use the following choices for questions 1 - 5:A. sulfur dioxideB. leadC. ozoneD. hydrocarbonsE. particulates1、Most often cited as the causative factor for acid deposition.______ 2、Considered harmful in the troposphere but beneficial in the stratosphere.______ 3、Is the major pollutant that electrostatic precipitators are designed to remove from power plant smokestack emissions.______ 4、Causes haze by scattering light.______ 5、Is released naturally from volcanos and anthropogenically from fuel combustion.______
()指当物体与个体发生相对运动的时候,光线以各种角度从视网膜上流过。
A. 内部感觉
B. 视觉
C. 本体感觉
D. 光流