Where else could you see oxidation occuring besides rocks found in nature?

Consider the nuclear equation below. 239/94 pu—-> x+ 4/2 he. what is x?

What is the percentage composition of carbon in the compound ch4

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.