OBJECTIVE FORESTRY

FORESTRY

ECOLOGY AND ENVIRONMENT

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Initial or primary sources of toxic substances
A
automobile emissions
B
dolphin meat
C
zooplankton
D
Spartans
Explanation: 

Detailed explanation-1: -Pollutants produced by vehicle exhausts include carbon monoxide, hydrocarbons, nitrogen oxides, particles, volatile organic compounds and sulfur dioxide. Hydrocarbons and nitrogen oxides react with sunlight and warm temperatures to form ground-level ozone.

Detailed explanation-2: -The gaseous and particulate pollutants to which motor vehicles contribute include carbon monoxide (CO), ozone (through its atmospheric precursors volatile organic compounds and nitrogen oxides [NOx]), fine particulate matter PM10 and PM2.

Detailed explanation-3: -mobile sources – such as cars, buses, planes, trucks, and trains. stationary sources – such as power plants, oil refineries, industrial facilities, and factories. area sources – such as agricultural areas, cities, and wood burning fireplaces.

There is 1 question to complete.