Question

A reaction to the chemical warfare used during world war I was the use of.

(a)trench warfare
(b)gas mask
(c)zeppelins
(d)infantry attacks​

Answer 1

i believe it would be a gas mask.

Step-by-step explanation:

If it has something due to with chemicals and stuff id assume the men reacted with gas masks to be able to survive the chemicals and yea i hope im right