Which of the following is true?
a. some levels of tobacco use are safe.
b. some tobacco products do not cause cancer.
c. all forms of tobacco are addictive.
d. wastepipes make smoking tobacco safer.

The enforcement clause of the fourteenth amendment states what congress had the authority to a. grant citizenship to people b. change the constitution c. enforce only the bill of rights d. make laws to apply the amendment

Which piece of information would most a historian create an interpretation of this photograph of works in a factory?

The united states economy makes up how much of the worlds economy