which statement describes an effect of poisonous gases used in combat during world war i?\npoisonous gases…

which statement describes an effect of poisonous gases used in combat during world war i?\npoisonous gases blistered soldiers skin, eyes, and lungs.\npoisonous gases brought an end to trench warfare.\npoisonous gases melted weapons and other armaments.\npoisonous gases caused explosions in the presence of gunpowder.
Answer
Brief Explanations:
Poisonous gases like chlorine and mustard gas in WWI caused severe skin, eye, and lung - blistering in soldiers. Trench warfare didn't end because of them. They didn't melt weapons or cause explosions with gunpowder.
Answer:
Poisonous gases blistered soldiers’ skin, eyes, and lungs.