Describe, in your own words, why granulated sugar will dissolve faster in a cup of coffee than sugar cubes will. be specific in your explanation.

Granulated sugar has a greater surface area showing than sugar cubes do. Since it has more surface area showing, more sugar molecules can interact with the water at the same time allowing it to dissolve faster than a cube of sugar where only the molecules on the outside of the cube are exposed to the water.

The population of unionid mussels decreased after zebra mussels were introduced. zebra mussels competed with the unionid mussels for food. the zebra mussels were able to displace the unionid mussels, allowing the zebra mussel population to increase  over the years. the unionid mussel population decreased because  of lack of food.