Answer:
It is called the S-A node, or rather sinus node.
Answer:
Fungus
Explanation:
Flemming found that the growth of bacteria Staphylococcus aureus is inhibited by fungus Penicillium notatum . Then he isolated antibiotic penicillin from that .
Answer:
Its D. role of carbon dioxide in photosynthesis.
Explanation:
I know its right bc I just got that question.
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:
The correct answer is : Overconfidence.
Explanation:
A person who thinks his or her sense of direction or judgement is more accurate than it is actually is is known as overconfident, and this phenomenon is known as the overconfidence.
In this case, Jonah and Cathy attempted most of the question of the exam and secured less than 60% on the exam which suggests they have less knowledge than they thought they know, it is a sign of overconfidence.
Thus, the correct answer is overconfidence.
