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goblinko [34]
3 years ago
9

3. When you bend your elbow you are _____ ____the joint.

Biology
1 answer:
Luba_88 [7]3 years ago
5 0

Answer:

rubbing

Explanation:

cuz you are rubbing the white rubber part with your eldow bone

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Does carbonhydrates provide the most energy or kilocalories per gram of food ?
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_____ is a disorder, caused by a genetic mutation, involving a progressive inability to sleep.
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Genetic mutations are the alterations of genetic materials. <u>Fatal familial insomnia</u> is a disorder, caused by a genetic mutation, involving a progressive inability to sleep.

<h3>What is fatal familial insomnia?</h3>

Fatal familial insomnia is a brain disorder that can be inherited and affects the sleep cycle. It is a neurodegenerative disease that leads to mental and physical deterioration because of a lack of sleep.

FFI is caused by a genetic mutation in the PRNP gene that alters the mechanism of the thalamus resulting in an alteration of the sleep activity that leads to exhaustion.

Therefore, <u>fatal familial insomnia</u> is the correct blank.

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7 0
2 years ago
Which of the following do all vertebrates have in common? More than one answer is possible.A. mammary glandsB. craniumC. vertebr
Maksim231197 [3]

Answer:

The correct answer is vertebral column and cranium

Explanation:

Vertebrates are the animals that are characterized by having backbone or vertebral column and apart from the vertebral column they also have a bony skull. Skull and vertebral column protect the brain and spinal cord in vertebrates.  

Vertebrata is a subphylum under phylum Chordata and clade Craniata so vertebrates have both cranium and vertebral column. In vertebrates, notochord is present in the embryonic stage and is replaced  by vertebral column in adults.

Animals that comes under the Vertebrata are fishes, mammals, reptiles, amphibians, and birds. So the correct answer is B and C.

7 0
3 years ago
Which of the following describes the relationship between the wavelength and strength of the Sun's radiation?
Naddik [55]

Correct answer: B). The shorter the radiation's wavelength, the higher the radiation's energy  

The wavelength and radiant energy are inversely proportional to each other. The greater amount of energy is released by the radiation that has a higher frequency and it has a shorter wavelength. The higher the frequency of radiation the shorter will be its wavelength.

According to this relationship, the shorter wavelength has higher energy as compared to a higher wavelength.




6 0
3 years ago
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