We cannot critically evaluate until we find the conclusion.
Pollution can be categorized into several types:
1) Air Pollution
2) Water Pollution
3) Soil Pollution
4) Noise Pollution
5) Radioactive Pollution
6) Light Pollution
7) Thermal Pollution and
8) Visual Pollution.
Four main types of pollution sources:
1) Mobile sources
2) Stationary sources
3) Area sources
4) Natural sources
Using these categories and sources, we can organize given items as follows:
Category: Air Pollution
Source: Mobile Sources
Automobiles
Trucks
Airplanes
Ships
Source: Natural Resources
Gas
Source: Stationary sources
Oven
Stoves
Furniture polish
Barbeques
Category: Water Pollution
Source: Stationary sources
Liquid detergent
Bleach
The answer is B, to maintain law and order in a country
Answer: I think this is the fourth one that's my opinion :) hope this helps.
Explanation:
They take notes and they read books that are primary secures
