(15 points) what is the primary source of energy in a food chain a) consumers b) plants c) producers d) sun

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.

Democratic vs democratic whats the difference? ?

Find the area of the shaded region.