Which of the following is not true about mass movement?

a. some mass movement is too slow to be seen.
b. mass movement always leads to landslides.
c. gravity is the driving force behind all mass movements.
d. mass movement is always downslope.

Which of the following statements is true? 1. the mantle of the earth is made of solid nickel and iron. 2. the crust of the earth is made of solid nickel and iron. 3. the inner core is made of solid nickel and iron.

During endocytosis, cells expel what they don't need take in what they need shrink due to loss of water

Under the soviet system, the government a. controlled all forms of communication. b. allowed newspapers to print whatever they wanted. c. controlled editorials but not the reporting of news. d. encouraged access to a wide variety of news sources. select the best answer from the choices provided a b c d