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Rasek [7]
3 years ago
11

Explain in brief how some bacteria cause tooth cavities​

Chemistry
2 answers:
soldier1979 [14.2K]3 years ago
7 0

Answer:

because some bacteria change the ph of the teeth and leads to tooth cavitiew

tiny-mole [99]3 years ago
4 0
The cause of cavities is acid from bacteria dissolving the hard tissues of the teeth (enamel, dentin and cementum). The acid is produced by the bacteria when they break down food debris or sugar on the tooth surface.
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Carbohydrates make up 75% of the mass of dried plant material. Cotton is at least 95% carbohydrate. Why do humans not include co
Darina [25.2K]

Answer:

the carbohydrates in cotton are mainly cellulose, but our body does not possess the proper enzymes to process cellulose, no we don't eat cotton on in our daily diet.

4 0
3 years ago
Describe the major types of bodies of water
Alina [70]
<h2>Answer and Explanation </h2>

The body of water means the occurrence of water on earth’s surface. Examples are oceans,  lakes,  seas, ponds, and pools. The major bodies of water are:

  • Pacific ocean is the biggest and deepest of Earth's oceanic divisions. It stretches from the Arctic Ocean in the direction to the Southern Ocean.
  • Atlantic ocean is another giant of the world's oceans.  It includes nearly 20 percent of the Earth's exterior and nearly 29 percent of its water covering space.
  • The Indian Ocean is the third largest Ocean in the world. It is surrounded by Asia, Africa, and Australia.
  • Arctic ocean is the smallest and shallowest of the world's five main oceans.
  • Mediterranean sea is a sea is attached to the Atlantic Ocean.
4 0
4 years ago
Glucagon A) helps glucose enter cells. B) increases the metabolic rate. C) stimulates cells to store glucose as glycogen. D) rai
nasty-shy [4]

Answer:

<em>D) raises blood glucose levels. </em>

Explanation:

Glucagon is a small polypeptide synthesized by cells. This 29 amino acid peptide hormone is synthesized by pancreas alpha cells and has a molecular weight of 3485 dalton

It has an opposite effect to insulin by increasing blood glucose levels since it increases phosphorylase activity through cyclic AMP, after binding to glucagon receptors coupled to protein G on hepatocytes.

It is a stress hormone. Stimulates catabolic processes and inhibits anabolic processes.

              The correct answer is D. raises blood glucose levels.

5 0
4 years ago
What’s a predator? Are predators animals?
Setler [38]

Answer:

its an animal that preys on others

Explanation:

5 0
3 years ago
Read 2 more answers
Name ways we use technology in inner and outer space<br> 8th grade science btw
Anna71 [15]

Answer:

Explanation:

Many common everyday services such as weather forecasting, remote sensing, satellite navigation systems, satellite television, and some long-distance communications systems critically rely on space infrastructure. ... Of the sciences, astronomy and Earth science benefit from space technology am in 6th grade btw

5 0
3 years ago
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