How much heat is needed to raise the temperature of 100 grams of silver by 15 o Celsius if the specific heat capacity for silver is 0.2 J/goC

The correct answer should be "electrons orbit the nucleus in circular motions exactly as shown on the classic bohr model."

B"hf and f-"  is the correct answer took the test on edgenuity and got it right     

There is no reason to think the results are biased or not conducted properly but you should not assume the results are correct just because they were done in a laboratory so the answer would be c. it is likely to be reliable because the results support the conclusion presented.