Question

1. What made mustard gas so effective?

Answer 1

Answer:

1.  It didn't need to be inhaled to be effective

2.  It was very hot and there was nothing separating them from the engine and its fumes

Explanation:

mustard gas is a chemical agen that caused severe burning of the skin, eyes, and respiratory tract; can be absorbed through inhalation, ingestion, or coming into contact with skin/eyes.