Combining sentences can de-emphasize some ideas and emphasize others. a. true b. false

This is true. By varying sentence length, going with some short sentences and others that are longer, certain ideas can be brought to the fore. Some ideas can, in the same vein, be pushed back into the background and made less salient if they're combined with other, less important sentences.

Michigan cannot ignore the us constitutionboth constitutions contain the same fundamental ideas

Both the han and the roman empire decline as a result of social unrest during their collapse.