Contribution of Peter K Mechamer ineducation

Mechamer earned his BA from columbia university in1964, his BA(1966) and MA(1971 )from trinity collage , cambridge university and PhD in philosophy from the university of chicago in 1972 , his disseratation points about observation in scinece was supervise by Manley Thompson and Dudley Shapere

Explanation:

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no the answer is c only objects touching the earth's surface can be acted upon by an outside force

answer; ///self- learning;