Scientific knowledge is both long lasting and open to change. in your own words, explain why scientific knowledge should be re-examined and re-tested from time to time. include two examples that will support your response.

Science is open to change because scientists agree that there are no absolute truths, only the best explanations for the data
there are specifically two cases when science can change: -new data is discovered (for example new skeleton makes us revise the known history of homo species)
-a new model is proposed that fits the data better (such as the heliocentric model of Copernicus)

Answerwavelength;