Need major asap whoever gets it right first will get brainliest! ! which of the following is not a cation? a. iron(iii) ion b. sulfate c. ca2+ d. mercurous ion

This image is an example of a(n) a) atom. b) compound. c) mixture. d) molecule.

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.

Which is an example of a highly unstable isotope that is often used in fission reactions?