Mangrove forests have been used to create . A) firewood
B) foods
C) medicines
D) charcoal
E) all of the above
Please select the best answer from the choices provided

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.

Why are common names a problem for scientist?

An uncomfortable feeling in the ears when descending in an airplane is caused by changes in air pressure on the: a. inner ear b. middle ear c. eardrum d. hammer/anvil