Q: What is measured by the intensity of the sound waves? Choices: - inputs - tone - pitch - loudness A:
loudness

Q: What structure connects the pharynx to the trachea? Choices: - thyroid - aorta - sternum - larynx A:
larynx

Q: Population size influences the chances of a species surviving, with very small populations generally at greatest risk of what fate? Choices: - adaptation - accumulation - mutation - extinction A:
extinction

Q: Electromagnetic waves are comprised of what two types of energy? Choices: - solar and kinetic - kinetic and electric - magnetic and gravitational - electric and magnetic A:
electric and magnetic