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Virginia hears a scratching sound outsides her window almost every night. Which of the following would be good evidence to gather to test the hypothesis that a tree branch is rubbing the outside of Virginia's window?

a) set a trap to catch any animals by her window
b) tie ribbions on all the tree branches
c) check for animal track in the dirt
d) see if any of the branches are close to the window


  • science -



  • science -

    thanks Sra

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