Which technological advances made world war i different from past wars? check all that apply trench warfare poison gas computers submarines radar machine guns

Trench warfare poison gas submarines machine guns

Explanation:

Artillery - Large firearms, called cannons, were improved during World War I including hostile to air ship weapons to shoot down foe planes. Most of the losses in the war were dispensed utilizing ordnance. Some enormous cannons weapons could dispatch shells about 80 miles.  

Machine gun - The assault rifle was improved during the war. It was made a lot lighter and simpler to move around.  

Chemical weapons - World War I additionally acquainted concoction weapons with fighting. Germany initially utilized chlorine gas to harm clueless Allied troops. Afterward, the more perilous mustard gas was created and utilized by the two sides. Before the finish of the war, troops were furnished with gas covers and the weapon was less powerful.

the real answer is b

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