Two jars contain substances that smell similar. Molecule A is in one jar and Molecule B is in the other jar. Carbon Atom
Hydrogen Atom
Oxygen Atom
Molecule A
Molecule B
How can the diagrams help you decide whether or not the two jars contain the same substance? (Use complete
sentences.)

Select all of the methods through which a drug can enter your body. injection swallowing inhalation absorption

Which of the following is most likely true about water in chemical systems? a) water dissolves nonpolar ionic compounds. b) water dissociates ionic compounds. c) water dissociates covalent molecules. d) water dissolves nonpolar covalent substances.

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.