Answer:
Robots are changing the world by helping humans do things better (with greater efficiency) and doing things that were not possible before. Robots facilitate disaster response, augment physical abilities, serve in areas where interaction with people is needed, and enable exploration beyond the boundaries of Earth
Explanation:
B. would be the best choice to choose.
Schaffer mistakenly told his assistant to strike alarm Box 342, and as a result, firefighters were directed to an incorrect location during the Chicago fire of 1871.
This is the best example of adding concrete details. It specifically says which alarm box Schaffer told his assistant. The original sentence makes it seem as the miscommunication was the big problem. While it was a problem, the fact that the firefighters went to the incorrect location is really the reason the Chicago fire of 1871 was so devastating. Including these details makes the writing much clearer and easier for the reader to follow.
Varying your sentence is one way to fix your grammar mistakes.
How To Do About Face? (Military)
1. Stand at attention
2. Out the right leg behind the left leg
3. Lift the front toes of the left feet
4. Lift the heel of the right feet
5. And turn until your completely faced the other way
There, you did About Face
