PLEASE HELP ME WITH THIS I ONLY HAVE 8 MINUTES I will give you extra points . NUMBER 6

Two things that biomedical has invented or innovated

Identify one disadvantage to each of the following models of electron configuration: -dot structures -arrow and line diagrams -written electron configurations type in your answer below. (answer) -dot structures do not show the distribution of electrons in orbitals and take up a lot of space. -arrow and line diagrams take up a lot of space and make it difficult to count electrons. -written configurations make it easy to lose count of electrons and do not show the distribution of electrons in orbitals.

The chart shows the bid provided by four contractors to complete a job. which contractor is the most cost-effective?