What is measured at 0° (degrees) latitude? I think the answer is the equator...

Which of the following best describes brazil's economy from 1650-1880? a. it gradually shifted to manufacturing as the industrial revolution progressed. b. it was based on mining. c. it was based on plantation agriculture, where slaves served as a labor force. d. it was based on small, family-owned farms.

Residents of moldova are mainly a. russian b. ukrainian c. serbian d. romanian the answer is d. romanian

Can someone me with this plz? ! i'm putting 20 points on it!