Which device plugs into the computer and is so small that a user can attach it to a key chain.

In some states the highway patrol use plane carrying radar device5s to monitor traffic as the plane flies over traffic the radar device can tell the officers how fast each car is moving at the moment in time the radar device determines the cars

What is one way that vance might have been able to prevent this injury?

Look at the graph about the barriers to working out. what would 20 percent of the population report as a barrier for working out? inability to devote thirty minutes a day to working out lack of interest with creating a detailed workout schedule not having enough money to pay for yearly gym membership living in a community that does not have parks or a gym facility