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Nadya [2.5K]
3 years ago
15

Which of the following is a chemical reaction? A.breaking a glass pane B.freezing water B.digestion of food C.cutting down a tre

e D.evaporation of rubbing alcohol
Biology
2 answers:
Illusion [34]3 years ago
9 0

The correct answer is option B, that is, digestion of food.

Digestion of food in the body is a decomposition reaction, it is a kind of chemical reaction in which single compound dissociates into two or more basic components. In the process of digestion, proteins, carbohydrates, and fats dissociate to basic constituents, which provide energy to function.  

Digestion of food is regarded as chemical change as different chemical reactions occur at the time of food digestion.  


joja [24]3 years ago
3 0
The answers A. C. D. are all physical reactions 

The answer is B. Digestion of food 

When food is digested it is chemically broken down 

Hope this help! 
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AnnyKZ [126]

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<h3>What treatment for pancreatitis works the quickest?</h3>

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8 0
1 year ago
1) If a person has sex chromosomes: XXY, what is their gender?
sammy [17]

Answer:

1. Klinefelter syndrome

2. Nobody can be born with a single X chromosome

Explanation:

1. A genetic condition in which a male is born with an extra copy of the X chromosome

Klinefelter's syndrome isn't inherited, but rather occurs only as a result of a random genetic error after conception.

Males born with Klinefelter's syndrome may have low testosterone and reduced muscle mass, facial hair and body hair. Most males with this condition produce little or no sperm,

2. Sex chromosome occurs due to combination of the X and Y chromosome of both parents.

5 0
3 years ago
Aye yo Bueno <br> its layhej5 were u at
emmasim [6.3K]
No where are you at young man
8 0
2 years ago
What feature of bacteria makes them more capable of causing disease?​
zzz [600]

Answer:

They reproduce quickly in your body. Many give off chemicals called toxins, which can damage tissue and make you sick.

Hope this helps!

5 0
2 years ago
Explain why meiosis can be called cell reduction.
Makovka662 [10]
The answer is because it lowers the number of chromosomes in half, ensuring that the fusion will have the appropriate amount of chromosomes after the fusing of the sperm and the egg.
4 0
1 year ago
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