QUICKLY 1) Define the term energy.
•force applied to an object
•energy that is part of electromagnetic radiation
•stored energy
•the ability to do work

Drag each label to the correct location on the chart. classify each reaction as endothermic or exothermic.

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.

An unsaturated hydrocarbon is a hydrogen-carbon compound with a. a network solid structure b. single bonds c. single bonds in a branched-chain structure d. double or triple bonds