It isa sex characteristic that has direct relation to sexual reproduction?what is it..

Astudent reacts 13 moles of iron with 21 moles of oxygen according to the following equation:

What is true for a substance that releases energy

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.