How do organs relate to cells and tissues?

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

Communication and transportation have improved as a result of scientific advancements. select the best answer from the choices provided of mark this and return save and exit next

Closing romer’s gap. what is the significance of the new fossil evidence found in scotland? answer in claim evidence and reasoning