g iron reacts with 71 g chlorine to produce 129 g of iron (II) chloride

Layers of rock containing fossils, like the layers illustrated here, are most likely composed of rocks.

Use the periodic table to find the molar mass of each element. molar mass h = g/mol molar mass s = g/mol molar mass o = g/mol

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.