William put a sugar cube in a cup of hot water. After a period of time, what happened to the sugar cube? Be specific with your explanation. I know it would dissolve but could you explain why it would please

Why is planting a wide variety of plant species better than planting only one type? a) diversity is best for the environment. b) a wide variety would mean less wear and tear on the soil. c) it would lead to desertification prevention. d) combining biological and chemical controls are the conditions of a healthy farm.