Arianna has discovered a substance that is a liquid at room temperature. through testing, she finds that it ignites quickly and burns easily, but does not dissolve in water. how would you classify the substance? what use might it have?

The substance is organic because it is a liquid at room temperature, ignites and burns easily, and does not dissolve in water. Because this substance is a liquid and burns easily, it could be used as a fuel.

b is the correct

aquifers are bounded above and below by impermeable rock. the driving force of groundwater movement in confined aquifers is pressure, rather than gravity.