Which of the following is an example of a formula of a compound? A. NH3
B. Nitrogen trihydride
C. Nitrogen + Hydrogen = Nitrogen trihydride
D. Ammonia

What is the independent variable in this investigation? mass volume sample number substance density

An object displaces 652 ml of water. the volume of the object is: 0.652 cm³ 6.52 cm³ 65.2 cm³ 652 cm³

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.