This element has 4 more protons than Silicon

Match the mixture with the substance// i really need on this guys (it’s a pic btw)

This classification of drug typically changes the brain's chemistry and reduces its ability to create its own endorphins.

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.