Sometimes an old scientific model is replaced by a new model. Explain why scientists replace an old scientific model with a new model.
Include an example from Physics in your answer (4 marks)

Not all tiles will be usedidentify the element present in each star based on the gaps observed in wavelengths of its light refer to this table containing absorption wavelengths (in nm) of several different elements the table ishelium 447, 502 ,587 ,668carbon 427 ,515, 600 ,678sulfur 425, 565, 639, 675xenon 484, 590, 687calcium 429 ,527, 593, 645silver 421 ,521, 662

For waves in the ocean, the medium of the waves is a. air b. water c. energy d. a passing boat

Which are causes of mechanical weathering? (check all that apply) a. acid rain b. plant growth c. animal actions d. carbon dioxide e. pressure release i chose b & e and got the question wrong.