Coins were developed as a medium of exchange because other items like cows, grain, and land were more difficult to move from place to place.
a. true
b. false

Orange juice has a lower or higher viscosity than chocolate syrup

Need people build a dam to create a reservoir that supplies water a nearby city needs. describe two ways this action will likely affect the water cycle in the local environment. (5 points) worth 20 points

During a car accident, a 125kg driver is moving at 31m/s and in 1.5s is brought to rest by an inflating air bag. what is the magnitude of the change in momentum to the driver