Table 2A Given the Following Table

question 30

Multiple Choice

Table 2A
Given the following table:
-What method was used to determine the cause suggested by Table 2A?

• A) The joint method of agreement and difference.
• B) The method of agreement.
• C) The method of difference.
• D) The method of concomitant variation.
• E) An unnamed method.

---

Definitions:

Coal

Coal is a combustible black or brownish-black sedimentary rock used primarily as an energy source or in industrial processes.

Tall Smokestacks

Structures designed to release industrial gases at a high elevation, reducing ground-level pollution.

Urban Areas

Regions characterized by high human population density and vast human-built features in comparison to areas surrounding it.

Local Air Pollution

Contamination of the air within a specific area or region, primarily due to human activities, that can harm human health and the environment.