Answer:
At first, a fetus cannot distinguish between different voices.
A fetus begins responding to sound at between 22 and 24 weeks but can only hear low frequencies, such as a dog barking or a lawn mower.
As the auditory system and the brain continue to develop, this range increases. By late pregnancy, the fetus can hear voices and distinguish between
so at 22 weeks they're in the middle of the second trimester and can hear sounds but in the 3rd trimester can distinguish between voices
Answer:
i tnk its um no thats not it um its the first
Explanation:
Answer:
The question there is really blur and it's hard to understand..
<span>Proteins: help develop muscle tissue and function. Protein is necessary to make the hair, skin, nails, muscles, organs, blood cells, nerve, bone and brain tissue, enzymes, hormones and antibodies.
</span><span><span>Protein builds new cells and fixed damaged ones in all parts of your body<span>.</span></span>
Vitamins: are important for metabolism and for our bodies working properly.
minerals:
bodily functions.
Carbohydrates for energy
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If a patient is having a class lll restoration on the maxillary central incisor mylar system of matrix system would be used.
On the proximal contacting surface of the tooth, the class III restoration is formally a "one-surface" restoration. Ionomer cement or composite resin are typically used to make it.
The DuPont. 002 Mylar polyester film is used to create Mylar Matrix Strips. They outweigh acetate in terms of strength. Benefits and features. For composite restorations, use.
In order to help restore the normal contour and contact areas and to stop the extrusion of restoration materials into the gingival tissues, matrices are used for interproximal restorations. There are several different kinds of matrix bands that can be used in pediatric dentistry.
Learn more about matrix system here:-
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