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tatyana61 [14]
3 years ago
5

One possible reason why polar bears might not be able to survive if the environment they live in changes is

Biology
1 answer:
faust18 [17]3 years ago
5 0

Answer:

B.

Explanation:

Different areas will cause evolution witch takes millions of years to happen

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relaxation

Explanation:

relaxation is best relax to muscle. it is relax our bones and muscles.

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The mouth, small intestine, and kidneys have functions that involve the
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The answer is D. all of the above 

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Extinction is the term used when all members of a species
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The discoloration of the skin and sclera associated with jaundice is caused by excessive ______________ in the blood.
RideAnS [48]

The discoloration of the skin and sclera associated with jaundice is caused by excessive bilirubin in the blood.

<h3>What is bilirubin?</h3>

A reddish-orange substance called bilirubin is produced by vertebrates' typical catabolic process, which breaks down heme. The body needs to go through this catabolism to get rid of waste products that result from the oxidation of old or dysfunctional red blood cells. Elevated levels could be a sign of liver illness or injury. Direct bilirubin levels that are higher than usual in your blood may be a sign that your liver isn't properly removing bilirubin. Increased indirect bilirubin levels could be a sign of other issues. Bilirubin is created in the body as a result of the breakdown of red blood cells (RBCs). The bile duct contains the bilirubin once it has traveled to the liver. Bilirubin is ultimately eliminated by the body through stools. Brown and yellow bilirubin is the pigment that gives feces their brown hue.

To learn more about bilirubin, visit:

brainly.com/question/28287289

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4 0
2 years ago
Identify the true statement. Choose one: A. The Sahara Desert has always been an arid region with few surface-water streams. B.
faltersainse [42]

B. Oases are sourced by springs and are regions where groundwater intersects the land surface.

Explanation:

The only true statement is that oases are sourced by springs and regions where ground water intersects the land surface.

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  • They are usually surrounded by fertile patches of soil.
  • Oases forms when the land surface intersects the water table.
  • They can also be fed by temporary surface water from nearby rivers.

Fossil remains have suggested that the region of the Sahara desert was once a lush green tropical region.

In present day, it is a desert with huge underground water reserves in aquifers.

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Deserts brainly.com/question/6685795

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5 0
3 years ago
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