Answer:
In 1609, using this early version of the telescope, Galileo became the first person to record observations of the sky made with the help of a telescope. He soon made his first astronomical discovery.
If a set of data is highly precise, it generally "indicates that the data must have a high level of accuracy" although there can be other crucial factors affecting the data as well.
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.
Has normal (2n) amount of DNA;
Has twice (4n) the normal amount of DNA
