In a transverse wave, the medium vibrates * A. lat right angles to the wave direction.
B. in the same direction as the wave,
C. in a direction opposite that of the wave.
D. at a 45 degree angle to the wave direction.

Amixture that has two or more substances that are spread out evenly is called a. compound b. heterogeneous c. substance d. homogeneous

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.

Anitrogen atom and an oxygen atom combine chemically to form nitric oxide. what is nitric oxide?