Complete the table of bond energies and bond lengths. 125 pm 145 pm 167 kJ/mol 942 kJ/mol 110 pm 418 kJ/mol Bond Energy Bond Length N-N N=N NEN​

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Answers are 1,2,4 its correct on edgenuity.

In order to improve results, many different steps can be taken into account. 1) using more precise scales and thermometers is always something that should be considered as being precise means that you are more exact with your answer.2) increasing the sample size should also be considered, if you have a bigger sample size you are able to determine if your results are accurate as well as if there are any variables that should be taken into account plus it assists in the statistical analysis and produces overall better data3) using better handwriting is also a plus, along with organizing the data properly so that others are also able to read the results and even redo the experiment in the future if it is needed.

The answer is the bike has rolling friction, the sled and the motorcycle have sliding friction, and the elephant has static friction