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Maru [420]
3 years ago
12

What is the relationship between primary and secondary sources??

Biology
1 answer:
AleksandrR [38]3 years ago
4 0
A secondary source<span> interprets and analyzes </span>primary sources<span>. </span>
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Plz help!! <br> Will be marked BRAINLIEST if right
Kisachek [45]
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2 years ago
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What is the name of the cyclone that came today 26th of may 2021 in jharkhand.​
slavikrds [6]

Answer:

The name of the cyclone is Yaas.

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As Darwin sailed around South America, he had opportunity to compare the ____________ of the grasslands with the animals commonl
Arada [10]

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8 0
2 years ago
When a person is exercising the body needs to deliver increased amounts of oxygen to the muscles. Which componentes f the blood
ad-work [718]

In human blood, there is a compound inside the RBCs called haemoglobin which ensures that the muscle will receive enough oxygen during exercise.

<h3><u>Explanation:</u></h3>

In human blood, the red blood corpuscles contain the haemoglobin. Haemoglobin is a iron chelated compound containing porphyrin ring and a globin tail which can establish co-ordinate covalent bond with both oxygen and carbon dioxide. The bonding element depends on the concentration of these two gases. In lungs, where the oxygen concentration is more than carbon dioxide, the haemoglobin bonds with oxygen and brings it to the tissues where carbon dioxide concentration is more. This makes the haemoglobin to release oxygen and bond with carbon dioxide which is brought back to lungs. This is the process by which each and every tissue including the muscles recieve oxygen.

In muscles there is Myoglobin which is another iron-porphyrin compound which has several times more affinity for oxygen than haemoglobin. This helps to extract more oxygen from haemoglobin in muscles.

3 0
3 years ago
It is important to view cells under a microscope because cells can change true or false
mixer [17]

Answer:

it is important to view cells under a microscope because cells can change?

False

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