20 pts + BRAINLIEST!! Read the passage.

Looking back, I suppose my life started with that letter. I don’t think everything necessarily happens for a reason—there’s too much tragedy in the world for that. But there’s no doubt that some misfortunes turn into pivotal moments that can alter the course of a person’s life for the better. Alma and I have been together for 30 years now, and I still wonder what that other life—the one in which my letter said “congratulations”—might look like. I expect it would have been pretty grand, full of its own triumphs and pitfalls. My children are fresh to the adult world, and when I see their tears as plans go sideways, I like to imagine that someday they’ll sit where I am with people to love, hobbies to pursue, and maybe even a spare dollar in the bank.

Which statement best describes the narrator’s viewpoint regarding obstacles his children face?

A. He ignores their struggles with obstacles because he believes everything happens for a reason.

B. He works to help his children avoid obstacles so that they will never have to wonder how their lives could have gone.

C. He fears the obstacles and worries that life will not turn out as well for his children as it did for him.

D. He regards the obstacles calmly, with the perspective of someone who has faced obstacles and lived through them.

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Explanation:

Let's start with the answer. It has to be D.

The key sentence is this one:

My children are fresh to the adult world, and when I see their tears as plans go sideways, I like to imagine that someday they’ll sit where I am with people to love, hobbies to pursue, and maybe even a spare dollar in the bank.

He's calm because he's been through it all before. Most of all, he knows that this to will end -- whatever problems his children have are only momentary. (As an aside, I would like to hear what his wife says).

A: Not the answer. He doesn't ignore the troubles. If he believes it happens for a reason, he doesn't say what it is.

B: Not the Nowhere does it say anything about future considerations or at least that one.

C: He doesn't fear for them. He has a calm confidence that they will work through it. Not the answer.

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explanation:

a solenoid is created by wrapping a l = 90 m long wire around a hollow tube of diameter d = 4.5 cm.   the wire diameter is d = 0.9 mm.   the solenoid wire is then connected to a power supply so that a current of i = 9 a flows through the wire.

randomized variablesl = 90 m

d = 4.5 cm

d = 0.9 mm

i = 9 a                                          

write an expression for the number of turns, n, in the solenoid. you do not need to take into account the diameter of the wire in this calculation.

calculate the number of turns, n, in the solenoid.

write an expression for the length of the solenoid (l2) in terms of the diameter of the hollow tube d.

calculate the length of the solenoid (l2)   in meters.

calculate the magnitude of the magnetic field at the center of the solenoid in teslas.

explanation: