Answer:
The typical feather consists of a central shaft (rachis), with serial paired branches (barbs) forming a flattened, usually curved surface—the vane. The barbs possess further branches —the barbules—and the barbules of adjacent barbs are attached to one another by hooks, stiffening the vane.
Explanation:
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The answer is B. the policy holder When you sign up for an insurance policy, your insurer will charge you a premium. This is the amount you pay for the policy or the total cost of your insurance. Policyholders may choose from a number of options for paying their insurance premiums.
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non-disjunction is a pathological event that occurs during the second anaphase in meiosis when sister chromatids are not separated. As a result one of the resulting cells will have 1 extra chromosome and the other will be 1 short. An example of a non-disjunction that can occur in humans is Down syndrome that has a frequency of about 1/1000 people. It is caused by the non-disjunction of the 21st pair of chromosomes.
The answer is the last one Cancer treatment