Your group performed two separate chemical reactions. There was some confusion on which reaction was which because the chemicals may have been mixed up. Both reactions had an initial temperature of 20°C. You have the final temperatures as 16°C and 24°C , but you do not know which reaction had which temperature.

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.