Answer: The bacteria uses the oxygen present in the mouth.
Explanation:
The plaque that is formed in the teeth is a highly anaerobic bacteria but it can sustain in the environment rich in oxygen. The oxygen is used by the bacteria and there is a absence of oxygen in the teeth.
It is formed in between the teeth which needs oxygen to survive and if remains for tooth for a longer period of time then it began to grow without oxygen.
It basically uses the oxygen available in the mouth and makes the condition anaerobic.
The answer is would b a true
Answer:
His process is wrong.
Explanation:
Bob must take the eye out of the fish. Then he must cut the eye. After he cuts the eye he needs to take a thin layer of the eye and put it on the glass. A microscope needs light to shine through the specimen. All Bob would see when he put the fish on there would be black. The thick amount of mass is blocking the light.
Answer:
cornea
Explanation:
When light rays reflect off an object and enter the eyes through the cornea (the transparent outer covering of the eye), you can then see that object. The cornea bends, or refracts, the rays that pass through the round hole of the pupil.
The main difference is that quotas restrict quantity while tariff works through prices
