Write a sentence using the word Vedas Also, Vedas means: A Vedas is a collection of poems, hymns, myths, and rituals that were written by Aryan priests.

You could write a sentence about you talking to your friend, like “ hey have you heard about those Vedas that was written by Aryan priests?” Or write Back then, Aryan priests used to write Vedas which were a collection of poems, hymns, myths, and rituals.

The correct answer is: Soldiers had to wear special masks to protect themselves.

The use of poisonous gas in the First World War was an important military innovation. Some of the gases used were tear gas, mustard gas and phosgene.

None of the countries that participated in the First World War was prepared for the introduction of poisonous gas as a weapon. Once the gas appeared, the development of protections against it began, and the process continued during the course of the war, producing more and more effective gas masks.