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Ivahew [28]
3 years ago
14

I need help please! Thank you guys

Biology
1 answer:
IRISSAK [1]3 years ago
7 0

Answer:

B

Explanation:

a vestigial structure is something that was needed before but is not needed now but remains due to evolution

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Atelectasis is caused by occupational exposure to coal dust.<br> a. true<br> b. false
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The statement is true. Atelectasis is the collapse or closure of a lung resulting in reduced or absent gas exchange. It may effect part or all of a lung. An airway blockage also can cause Atelectasis. A blockage may be due to a foreign object, a mucus plug, lung cancer, or a poorly placed breathing tube from a ventilator. When a blockage occurs, the air that's already in the air sacs is absorbed into the bloodstream. 
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In non-medelian genetics, chickens have a trait for feather color. Black is dominant and so is white. The heterozygous version o
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B. codominance

Explanation:

I know this for sure

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According to the USDA, a "consists of a community of individuals who pledge support to a farm operation so that the farmland bec
I am Lyosha [343]

Answer:

The correct answer is CSA.

Explanation:

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Read 2 more answers
Is a heat pack safe for period pain ?
OLga [1]

Answer:

I hope this hepls :)

Explanation:

Heat therapy is said to work because of its analgesic properties or its ability to bring blood to the area which can penetrate deep into the muscular tissue. However, heat therapy is also said to work because it is comforting on a psychological level. According to Lorimer Moseley “to reduce pain, we need to reduce credible evidence of danger & increase credible evidence of safety” and applying heat makes us feel safe. Why? Because the cold kills!  

Despite this, there is little evidence to show that it helps alleviate pain at certain trigger points  (small patches of acutely sensitive soft tissue) in the body and there is less evidence to show that it works for period pain. One study has claimed that heat can work for period pain however the researchers failed to differentiate if their exercise programme or the psychological effect of feeling warm eased their pain. This kind of testing means that other variables influence participants’ perception of pain and we can’t be certain if the heat therapy actually helped. What we do know is there are certainly drawbacks to this kind of treatment.

8 0
2 years ago
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