Answer: Mitosis creates an exact replica of the parent cell, while meiosis shows genetic diversity.
Explanation:
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The correct answer is Option A) Erosion.
When there is a loss of tooth substance due to a chemical process that does not involve bacterial action it is known as erosion.
<h3>What is erosion of teeth?</h3>
Dental erosion or tooth erosion is the chemical loss of mineralized tooth substances which is caused due to exposure to acids which is not derived from oral bacteria.
There are two ways of fixing tooth erosion:
- Tooth Bonding: In the milder cases of enamel erosion, bonding can be used. Here, it is a cosmetic procedure and a resin which matches the teeth is applied to the damaged tooth. It is later polished and trimmed to fit the mouth.
- Tooth Crowns: In severe cases of dental erosion, dental crowns are preferred. It involves capping the tooth with a new one in order to protect the damaged teeth.
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Answer: A. The wave carries molecules of air away from the source of the sound .
Explanation:
an organism deriving its nutritional requirements from complex organic substances.
Answer:
B. Nucleus
Explanation:
The nucleus is a double membrane-bound structure responsible for controlling all cellular activities as well as a center for genetic materials, and it's transferring. It is one of the large cell organelles occupying 10% of total space in the cell.