Genes come in pairs to obviously represent the two sources, the parent molecules. Each parent contributes a gene to form their offspring.

The number of neutrons is equal to the atomic number minus the atomic mass. a. true b. false

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.

Adirect relationship can be represented by: a curve a pie chart