A. i. oparin hypothesized that was preceded by a period of chemical evolution.

Long term exposure to waves can cause sunburns and skin cancer.

Any sound above what db can cause hearing loss in human beings

Which statement best describes how the loudness of the sound affects the high-pressure region created by the sound wave? a. a louder sound has no effect on the pressure created. b. a louder sound means a high-pressure region that is higher. c. a louder sound means a high-pressure region that is not as high.