The most famous chemical weapon of World War I was mustard gas. Identify the first country to use this chemical weapon. Explain why this weapon was so deadly and why soldiers feared its use.

Religious men who lived apart from society

Is the weather changing? consider the data of severe weather that includes tornadoes occurring throughout the u. s. over the last four years. compare the severe weather for the last three years. then compare the first three months of 2017 with that data. based on previous years, what might the prediction be for weather during 2017?

Indian scholars invented all of the following that we use today except .