Which of the following cell organelles surrounds the nuclear membrane?
rough
endoplasmic
reculum

Explain the source of radioactivity in uranium in earth’s crust by which it produces nuclear radiation

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.

Which zone within the open-ocean zone is home to the most organisms? deep zone surface zone intertidal zone transition zone