Question

Which statement describes an effect of poisonous gases used in combat during World War I?

Poisonous gases blistered soldiers’ skin, eyes, and lungs.
Poisonous gases brought an end to trench warfare.
Poisonous gases melted weapons and other armaments.
Poisonous gases caused explosions in the presence of gunpowder.

Answer 1

Poisonous gases blistered soldiers’ skin, eyes, and lungs.

(Agents like mustard gas, chlorine, and phosgene caused severe blisters, blindness, choking, and fatal lung damage.)