Robin is experimenting with an unknown solid. He discovers that the substance can dissolve in water. When this substance is a solid, it has a higher potential energy than when it is dissolved. What will happen during dissolution of this substance?

Wind and moving water provide energy. chemical mechanical thermal none of the above

What two categories of toxins were present in the air at dish, texas as a result of the gas pipelines that pass through the area

Which statement explains which component is likely to be more powerful in explaining a scientific phenomenon? a) component c, because a theory is often passed on possibility and not certainty b) component d, because a hypothesis is often based on possibility not certainty c) component c, because the ability to explain several occurrences in the natural world is a characteristic of a hypothesis d) component d, because the ability to explain several occurrences in the natural world is a characteristic of a theory