- Do trees and green plants breath?

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Compliance with the standards of conduct? What will happen to the thermal conductivity of a wall if its length is doubled? Anyone good at mathematics?What do you think is the aswer? Write algorithm and compute all positive roots of polynomial nonlinear equt. using bisection method.
f(x)=x^5 - 3x^4 - 5x^3 + 15x^2 + 4x -12? What geological evidence is there in support of continental drift?

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