Which type of mutation is responsible for new variations

The structure of the federal bureaucracy is well-known as being large and complex. which of the following is not part of the federal bureaucracy?

Which of the following policies is an example of a command-and-control policy? a. subsidies to education b. maximum levels of pollution that factories may emit c. tradable pollution permits d. none of the above is an example of a command-and-control policy.

The platt amendment was a treaty that allowed the united states to build military bases in which country?