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ollegr [7]
3 years ago
7

Which chemical is added to many municipal water supplies to prevent tooth decay

Biology
2 answers:
defon3 years ago
5 0
Fluorine.

Fluorine is a chemical used in toothpastes to prevent tooth decay and improve the condition of the teeth.
It can also be used in water to prevent decay.
Yakvenalex [24]3 years ago
4 0
Sodium fluoride is a chemical that is added in many municipal water supplies to prevent tooth decay. You can even find it in your toothpaste if you look at the ingredients. Sodium fluoride is a very safe and effective chemical used in lots of oral products because of its benefits against tooth decay. Hope this helps!
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What does nervous tissue do?
arlik [135]

Answer:

Nervous tissue is found in the brain, spinal cord, and nerves. It is responsible for coordinating and controlling many body activities. It stimulates muscle contraction, creates an awareness of the environment, and plays a major role in emotions, memory, and reasoning.

Explanation:

6 0
3 years ago
Scientists have recently discovered a community of bacteria and clams living under an ice shelf in Antarctica. These organisms l
Shkiper50 [21]

Answer:

Option 3, of the abiotic factors found in their environment

Explanation:

The abiotic factors such as absence of sunlight and extremely cold temperature represents picture of an extreme habitat under an ice shelf in Antarctica.  

The optimum temperature requirements of bacteria for its survival ranges from 10oC to 20oC. In case,  if a bacteria lives in an environment where temperature is less than -5oC or higher than  50oC, then such habitats are considered to be “habitats with extremities”  as special physiological mechanisms are required to maintain the homeostasis and survive.

Likewise absence of sunlight further adds to the extremities of the habitat.

Option 3, is correct

5 0
3 years ago
Which of these is a major function of RNA? A. to make ribosomes B. to transport genetic information C. to make nucleic acids D.
enot [183]
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7 0
3 years ago
Read 2 more answers
What role does animal agriculture play in our state and local economy? Explain and support with specific examples.
Romashka [77]

Answer:

Kindly check explanation

Explanation:

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Even in the most developed of economies, agriculture continues to be a main point of focus in most countries, contributing immensely to the GDP of the nation. Animal agriculture could be practiced from a relatively low scale level which has made it easy for individuals to be self employed and a resulting reduction in level of unemployment.

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2 years ago
Stanley Miller's experiments showed a pre-cellular life could have begun with the formation of proteins. carbohydrates. lipids.
Katena32 [7]
Stanley Miller's experiments showed a pre-cellular life could have begun with the formation of lipids, but it should be noted that this is not necessarily true. 
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