How have personal computers affected modern life? Select all that apply.

They have replaced most weather satellites as well as many space probes. They have made unauthorized access to personal information impossible. They have made exchanging detailed information much easier and faster. They have helped make models for understanding environmental changes.

-They have made exchanging detailed information much easier and faster.

- They have helped make models for understanding environmental changes.

Explanation: They have made it easier for us to communicate and easier for us to do many of the everyday things that we must do to keep our lives in order. For example, computers have made it so much easier to pay bills than it used to be. You can set it up so that your bank automatically pays your mortgage every month.

monarchy doesn’t have to have the hereditary element. there have been elective monarchies in the past where you choose your king-for-life and when he dies elect someone else for the job.

a. theta waves. this is because the person is in a light sleep which means the brain waves would show these kind of waves.