Answer:
a mutation that causes female pigs to have less offspring
Explanation:
You esophagus is your throat.
If the inner lining of the air sacs neither thin nor highly vascularized, then it can be inferred that AIR SACS ARE CANNOT BE THE SITES OF GASEOUS EXCHANGE BETWEEN AIR AND BLOOD. Air sacs are generally lined with mucus and surrounded with blood capillaries.
In case of birds, air sacs play an important role in respiratory system.
Answer:A, C, D
Abstract. Technology has influenced the world in many positive ways. ... Unfortunately, research shows that mobile technology is affecting communication in a negative way when it comes to sociability and face-to-face communication. Researchers have found that mobile technology can decrease communication and intimacy.
Explanation:
