The plasma membrane is made up of: a. a double layer of cellulose b. a single layer of cellulose c. a double layer of protein d. a double layer of phospholipids

Which properties describe all matter?

The bacteria found in soil is usually harmful and measures are taken to remove any traces of microorganisms. true or false

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.