3.2 - 5.1n - 3n + 5 = 3.2 + 5 - 5.1n - 3n = 8.2 - 8.1n
I would say the answer is C because it says heat and the passage was talking bout fire, it just seems like the best answer, sorry if I'm wrong :)
England represent a story in the novel
Responsiveness to environment
Growth and change
Ability to reproduce
Have a metabolism and breathe
Maintain homeostasis
Being made of cells
Passing traits to offspring
