3
Q:

Should high chimneys be installed in industries? 

Arguments:

1. Yes. It reduces pollution at ground level

2. No. It increments pollution in upper atmosphere

A) Only 1 is true B) Only 2 is true
C) Either 1 or 2 is true D) Neither 1 nor 2 is true

Answer:   A) Only 1 is true



Explanation:

Pollution at ground level is the most hazardious in the way of being injuriousto human and animal life.So,argument 1 alone holds