Aquí que va? Puede ser que se mezclen, calor, hielo o corriente eléctrica

What metric units would you use to measure the thickness of a key

What term describes technology that operates on an atomic level

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.