Assuming the continents move at an average rate of 1 inch per year, how many years would it take for each continent to move 1 foot? 1 mile(5280 feet)?

In the figure, polygon abcd is transformed to create polygon a′b′c′d′. this transformation is a by a factor of .

The covers all of earth like a thin shell, but it is not a solid sheet of material. it is broken up into several large sections and many smaller ones. fill in the blank.

The vegetation that thrives in the tundra is limited to a. mosses, barley, wheat, and corn. b. coniferous trees. c. dwarf shrubs, mosses, lichen, potatoes, and beans. d. mosses, lichen, algae, and dwarf shrubs.