I’m the early 1900s, what trend emerged concerning chemical weapons a. chemical weapons became deadly as did other aspects of warfare b. chemical weapons disappeared and were replaced with less harmful weapons c. chemical weapons became ineffective as technology advanced slowly d. chemical weapons remained in the form in which they were first introduced

Hello,

Your answer is D. Chemical weapons remained in the form in which they were first intoduced.

During the ending of WW1 the united states created the worlds first nuclear bomb. This weapon was chemically engineered and was to overpowered. It wiped out 90% of the population of a city in japan. Thats how WW1 ended.

answer; philip morin freneau

answer: the time zones used to be whatever the local authority wanted them to be. one town might have 6am whenever the sun came up and another town had 6am 10 minutes later.  

the trains had a hard time when their orders said to be at a certain point at 6am.  

6am, but who's 6am.  

the railroads got together and set the time zones more or less along the longitude lines across the country.

explanation: