Sodium tends lose a single electron in natural settings. based on what you know, what are two other elements that tend to do the same thing? question 4 options: sodium and magnesium hydrogen and helium beryllium and boron potassium and rubidium **i said d**,

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.