The metric unit for mass is the a. liter b. kilogram c. meter d. pound

What is the best definition of economic data?

Predict how the transcontinental railroad will make a difference in the civil war. now, research the inventions of the 19th century. tell what other inventions of the 19th century will change the way people see and remember the war? why?

What is the difference between a positive and a normative statement