It takes 1.0h to drive 20km through a city during rush hour your (blank) speed is 20km/h

True or false when elements combine to form a mixture, the resulting chemical properties may be very different from those of the elements that make it.

On mars a rock falls an unknown vertical distance from a resting position and lands in a crater. if it takes the rock 2.5 seconds to fall, how high is the cliff the rock fell from? mars' surface gravity is 3.8 m/s2. a. 9.5 m b. 11.9 m c. 15.2 m d. 23.8 m

Amaterial that provides resistance to the flow of electric current is called a(an) (1 points)