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castortr0y [4]
3 years ago
9

Paper burns by combining with oxygen. why doesnt paper burn every time it contacts oxygen

Biology
1 answer:
kozerog [31]3 years ago
4 0
When a fire is lit, it releases CO2 which will allow the combustion reaction to occur. When a fire is lit, energy is being emitted causing the paper to burn in contact with oxygen. The paper doesn't light up when in usual contact with oxygen because there's not energy fueling the reaction to occur.
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True or false: The heart myocardium is nourished primarily through the diffusion of nutrients from the blood in the heart chambe
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It is false that the heart myocardium is nourished primarily through the diffusion of nutrients from the blood in the heart chambers.

<h3>Heart Myocardium?</h3>

Heart Myocardium is also called Cardiac muscle is a specialized type of muscle tissue that cover the heart. The cardiac muscle ontracts and relaxes nvoluntarily and it help to keep the heart pumping blood to the body.

Therefore, It is false that the heart myocardium is nourished primarily through the diffusion of nutrients from the blood in the heart chambers because it is nourished by blood flow through the coronary arteries.

Learn more about Myocardium from the link below.

brainly.com/question/1373449

4 0
2 years ago
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Read 2 more answers
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