The answer is A
The air circulated in a clockwise direction in the northern hemisphere
Answer:
Rome had fertile soil on their Italian Peninsula, while the Greeks had poor soil on their Pelopennesus Peninsula.
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The terms given are match of the followings such as acid is matched with option C, base is match of option D, pH is match of option A and litmus paper is match of option B.
<h3>Briefing :</h3>
Acid is a compound that increases hydroxide ions (OH−) when it is dissolved in a solution.
Base is a compound that increases hydrogen ions (H+) when it is dissolved in a solution.
pH is a value from 0 to 14 that is used to specify how acidic or basic a compound is when it is dissolved in water.
Litmus paper is used to measure the pH of substances by determining their hydrogen ion concentration.
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I understand the question you are looking for :
Match the term with its description.
Acid
Base
pH
Litmus paper
Definition
A) A value from 0 to 14 that is used to specify how acidic or basic a compound is when it is dissolved in water
B) Used to measure the pH of substances by determining their hydrogen ion concentration
C) A compound that increases hydroxide ions (OH−) when it is dissolved in a solution
D) A compound that increases hydrogen ions (H+) when it is dissolved in a solution
That would be an ionic bond. Which is an attraction between a cation and an anion.
In response to c. acid in duodenum, the hormone secretin is released by endocrine cells in the duodenal mucosa.
<h3>What releases secretin in the duodenum?</h3>
Secretin is a polypeptide that contains 27 amino acids. In response to H+ and fatty acids in the lumen, S cells in the duodenum produce secretin. Particularly, a pH of less than 4.5 indicates the entry of stomach contents, which starts the secretin release.
Secretin, a digestive hormone that controls gastric acid secretion and pH levels in the duodenum, is released by the wall of the upper portion of the small intestine (the duodenum).
A pancreatic fluid that is high in bicarbonate is secreted when secretin is present (45). By interacting with pancreatic ductal cells, secretin enters the bloodstream or intestinal lumen and increases the production of bicarbonate, which lowers the pH of the gastric chyme as it enters the small intestine.
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