I am kinda confused with this, would you mind giving me the answer?

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.

Two stars are the same temperature, but one is twice as large as the other. the larger star is likely the smaller star. (2 points) select one: a. dimmer than b. the same brightness as c. brighter than d. a different color than

Which of the following is the unit of measurement used to describe the severity of an earth quake? velocity, magnitude, volume, density.