Giải thích tại sao cán cân bức xạ Mặt Trời trung bình năm của mặt đất giảm dần từ Xích đạo về hai cực?

Which theory suggested that the earth was once a signle supercontient that gradually that broke up into the contients that we know today

In the diagram below dab and dac are adjacent angles

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.