What is China doing to prevent the desertification of its land?

A Digging canals
B Building dams
C Planting Trees
D Dredging rivers

Choose one of the 4

How does the parallax of a nearby object compare to that of an object farther away?

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.

What id the primary human cause of the global warming a. storage of nuclear fuel rods b. burning of fossil fuels c. building of high-density housing d. violent conflicts over natural resources