Acar travels at 60 miles per hour. how much time does it take the car to travel 30 miles? select one: a. 1 hour b. 1/2 hour c. 3/4 hour d. 2 hours

In a stagnant pool of water, a crayfish may spend much of its time lying with one side of its carapace near the surface of the water. in this position, it will move the walking legs on that side in a rhythmic back-and-forth motion. explain the likely function of this behavior.