The best answer to the question states above is letter C.<span> A short observation period.
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<span> A scientist's primary concern in a clinical trial is the patient's safety, there fore short observation </span><span>decreases the reliability of results from a clinical trial</span>
<span>B. areas of high population density will have greater needs and deplete resources available</span>
Answer:
The overriding problem with both theories of muscle growth, hypertrophy and hyperplasia, is that: neither can be accepted as correct because muscles growth is difficult to study in humans.
Explanation:
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The fly would no longer exist and all popuations will cease in their value
Answer:
B
Explanation:
Y chromosomes are the male chromosome. A person with an XY sex chromosome pair will be male while that with an XX sex chromosome pair will be female. This is because the Y chromosome has a male-determining gene called the SRY. This gene is responsible for the development of testis.