Explain how the separation of powers limits the power of the federal government

According to thorstein veblen, a successful businessman would be most likely to demonstrate his worth to others by:

What is the neolithic revolution? why is it important?

Which statement is correct? the speed of the light ray is the same in air and medium a. the speed of the light ray is the same in air and medium b. medium a and medium b have different densities because light refracts at different angles. medium a and medium b have the same density because the light ray strikes both at the same angle.