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Answer:
The theory of plate tectonics states that the Earth's solid outer crust, the lithosphere, is separated into plates that move over the asthenosphere, the molten upper portion of the mantle. ... At convergent boundaries, plates collide with one another.
<h2>Answer and Explanation </h2>
When two daughter cell has the same number of chromosomes in the DNA is called Mitosis. The mitosis is the name of the process by which cell membrane divides to form two new daughter cells by dividing the cytoplasm of the cell both daughter cells have their own cell wall and nuclei after division. The process in which the cytoplasm divide is called cytokinesis. Mitosis is a process in which chromosomes are segregated to form a daughter nuclei.
Phenolphthalein is a weak acid and is colorless in solution. It is generally used to find out the endpoint of titration. As the An unknown solution is colorless when tested with phenolphthalein but causes the indicator phenol red to turn red it indicates the pH of the solution is 8.0 or above.
<h3>What is phenol red?</h3>
Phenol red is an indicator whose color can exhibit a gradual transition from color yellow to red.
Phenol red is actually a water-soluble dye as is used as a pH indicator, changing from yellow to red over pH 6.6 to 8.0.
Thus, it can be concluded that the pH of the given unknown solution is in range 8.0 or above.
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