7. (6 pts) verify (by showing the calculations) that the number of formula units in the unit cell of microcline is 4. (look up microcline in your textbook to obtain the required information)

In russia which of these challenges affects the transportation of both petroleum products and other goods?

The fact that similar fossils are found on both sides of the ocean is evidence of: a. global positioning. b. magnetic reversal. c. continental drift. d. oceanic drifts. select the best answer from the choices provided a b c d

Which of the following situations is an example of an internal migration? a. moving to mexico city, mexico b. moving to san diego, califormia c. moving to toronto, canada d. moving to london, england