A photo shows a gasmask that would fully cover the face, with built-in goggles and a tube leading away from the mouth.

Question
Use the image to answer the question.

Why was the piece of equipment in the photo necessary for both sides in World War I?
(1 point)
Responses

to protect the soldiers from diseases
to protect the soldiers from diseases

to protect the soldiers from poisonous gas
to protect the soldiers from poisonous gas

to protect the soldiers from flamethrowers
to protect the soldiers from flamethrowers

to protect the soldiers from machine-gun fire

to protect the soldiers from poisonous gas.