What some of the things members have used biohacking for?

Which of the following describes a difference when gram-positive bacteria are compared to gram-negative bacteria?

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.

About how many years does it take for one cycle of surface water to become deep water and then surface water again in the oceans? 101001,000