If the United States removed state governments, which of the following would be the closest to the new type of government? federal confederation
unitary
democratic

I’m stuck on this question cuz i’m stupid sksksksk

What function does a limb serve in each animal how are the limb bones of the four animal similar based on the similarities what can be inferred about the evolution of the poor animals

Most crimes involve some evidence relating to the human body; for that reason, what related science is frequently used in forensic investigations? a)psychiatry b)physics c)botany d)biology