A class design requires that a particular instance variable must be accessible by any subclasses of this class, but otherwise not by classes which are not members of the same package. What should be done to achieve this

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The head restraint should be adjusted so that it reaches a.the top of your ears b.the base of your skull c.the top of the head

Why is investing in a mutual fund less risky than investing in a particular company's stock? a. mutual funds only invest in blue-chip stocks. b. investments in mutual funds are more liquid. c. mutual funds hold a diversified portfolio of stocks. d. investments in mutual funds offer a higher rate of return.