Why did Mrs. Murry start cooking dinner over the Bunsen burner in her lab?

Mrs. Murry huddles over her Bunsen burner, preparing a dinner of thick stew. Calvin calls his mother to tell her that he will not be home for dinner, though he tells Meg that he doubts his mother would have even noticed his absence. Calvin is deeply moved by the warmth and love that permeates the Murry household, and exclaims to Meg that she is very lucky to have such a wonderful family life.

Before dinner, Meg shows Calvin a picture of her father with a group of scientists at Cape Canaveral. She also helps him with his homework. Calvin is surprised to learn that Meg, who is several grades below him in school, is able to help him with his math and physics. Mrs. Murry explains that Meg's father used to play number games with her when she was a child, thus teaching her all sorts of tricks and shortcuts.

Explanation:

the answer is c.

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