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Advocard [28]
3 years ago
6

At noon you begin to breathe in

Biology
1 answer:
Karolina [17]3 years ago
3 0
Your mouth and nose.
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Which of these can be decomposed by a chemical change?
Alinara [238K]

Answer:

B) CO

Explanation:

Chemical decompsition or breakdown is defined as the process in which a substance can be broken down into simpler compounds through chemical means.

CO or carbon monoxide can be decomposed by chemical change because it can be broken down into into carbon and oxygen.

While Co (cobalt), Cr (chromium), and Cu (coppoer) are present in its simplest form and can not be decomposed further.

Hence, the correct answer is "B) CO".

4 0
4 years ago
Urine is produced by the ?
Annette [7]

Answer:

The Kidney

Explanation:

The kidneys filter unwanted substances from the blood and produce urine to excrete them. There are three main steps of urine formation: glomerular filtration, reabsorption, and secretion. These processes ensure that only waste and excess water are removed from the body

4 0
3 years ago
One kind of rock forms when other types of rock are changed due to extreme high temperatures
AlexFokin [52]

One kind of rock forms when other types of rock are changed due to extreme high temperatures is "metamorphic".

<u>Explanation: </u>

Rock cycle stands as geology's fundamental notion. This denotes transitions occurred in three primary rock kinds as: igneous, metamorphic, and sedimentary. When extreme increased temperature and pressures are exposed on rocks then a new kind of rock is formed after chemical and physical reformation named as "metamorphic".

Basically there are two major metamorphism: regional and contact. Population of rocks are resulted from regional or dynamo thermal metamorphism. They were highly exposed to tectonic forces and related with high temperatures and pressures. Each type of rock is altered by being pulled out of its conditions of equilibrium.

6 0
3 years ago
Explain in your own words why pH and temperature can affect enzyme function
Shtirlitz [24]

Answer:

pH - Each enzyme has an optimal pH at which it works best, if the pH is too acidic or basic, the enzyme will start to denature.

Temperature - Each enzyme has an optimal temperature at which it works best as well. If it is too hot, the enzyme will start to denature and if it is too cold, there will be fewer collisions between enzymes and substrates.  

Explanation:

7 0
3 years ago
Select the elements that have 4 valence electrons.
Free_Kalibri [48]
Carbon has 4 valence electrons
7 0
3 years ago
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