If you blow harder into a trumpet you will create a sound wave with a greater A. pitch
B. amplitude
C wavelength

Aray of light traveling parallel to the principal axis of a concave mirror will be reflected through the mirror's

Quantum mechanics applies to subatomic, atomic, nanometer-size, and micrometer-size systems. nanometer, micrometer, and kilometer-size systems. atomic, nanometer-size, and micrometer-size systems. subatomic, atomic, and nanometer-size systems.

Examples of states of consciousness include a. daydreaming b. dreaming during sleep c. hypnosis d. all of the above