Answer:
The function of the pleura is to allow optimal expansion and contraction of the lungs during breathing. The pleural fluid acts as a lubricant, allowing the parietal and visceral pleura to glide over each other friction free. This fluid is produced by the pleural layers themselves.
Answer: I believe the answer is D because I know that you can't kill a eagle in the U.S. because it is a protected species.
Answer:
A geostationary orbit, also referred to as a geosynchronous equatorial orbit, is a circular geosynchronous orbit 35,786 kilometres in altitude above Earth's equator and following the direction of Earth's rotation.