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VikaD [51]
2 years ago
11

3. Which part of the hair contains DNA? a. Cuticle b. Cortex C. Medulla d. Follicle

Biology
1 answer:
madam [21]2 years ago
5 0

Answer:

follice

contains the DNA of the hair

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What are the helpful measures to conserve human energy??​
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svlad2 [7]

Answer: Humans can cause damage to the stability of ecosystems by removing the flowering trees and shrubs

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2 years ago
The pH scale measures the acidity of a substance. It is a negative logarithmic scale. A pH of 3 has a hydrogen ion concentration
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The correct answer is: a pH 2 solution has a <u>10000 times</u> greater hydrogen ion concentration than a pH 6 solution.

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The pH scale is a measurement used to describe the acidity of a solution, and this acidity is given by the concentration of H+ (hydrogen ion) in said substance. A solution with a greater concentration of H+, is more acid than a solution with a smaller concentration of H+ and, therefore, has a lower pH. Given that the pH scale is a negative logarithmic scale, a solution with a pH of 3 has a ten times greater H+ concentration than a solution with a pH of 4.

A pH 2 solution has 10 times more H+ ion concentration than a pH 3 solution, 100 times more H+ ion concentration than a pH 4 solution, 1000 times more H+ ion concentration than a pH 5 solution, and 10000 times more H+ ion concentration than a pH 6 solution.

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