Two students are working together on a project. One student applies for to a book to move it across the table to the other person. Student 1 applies the force of 20 N to push the book to student 2. If the force of friction resisting is 4, what is the net force acting on the book. A. 6 N
B. 10 N
C. 24 N
D. 16 N

Identify the lewis acid in this balanced equation: ag+ + 2nh3 -> ag(nh3)2+a. ag+b. nh3c. ag(nh3)2+

When the mercury level in a barometer decreases that atmospheric pressure has

What effect would average population growth have on land usage? a. urban use of land would rise to more than 30 percent of available land. b. industrial use of land would rise to more than 30 percent of available land. c. the percentage of available land used as cropland would stay the same. d. cropland would fall to about 10 percent of available land.