EESA01H3 Study Guide - Ecosystem Respiration, Improved Sanitation, Railmotor
22 Nov 2013
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Any theory is good only until there is one piece of info that is against the theory. Our scientific understandings become theories or laws only because there is always doubt about there being evidence that might be agains our theory. Note: a theory becomes a law when for a very long time, no one has proven it to be wrong. But it still doesn"t mean that the law is absolutely right or that it will remain a law. (ex. For centuries ppl thought that the sun rotated around earth proven to be wrong . Hyp: the grass turns green every spring because etc . Pre: this happens because the animals poop on the grass n that fertilizes the grass. Test: u test n if u fail, change hyp n try again, if pass, keep trying to c if u can fail u obv do this with the results
