which sentence illustrates an incorrect use of a comma? a. The teacher, and her students went on a field trip. b. John,Mike,and
Paul play together in a band. c. The milk, which had been sitting out too long,started to curdle. d. First we picked up Frances at the train station, and then we all went to the museum
I think you mean a scaler quantity. a scaler quantity is something that is measured without a directional component to it. ie. mass, temperature, speed it could be negative value but the negative means its value. you can use a scale to measure scaler quantity.
