Lesson Summary. A ballad poem is a type of verse composed in ballad form and attributable to an authorial source. The ability to determine definite authorship is the key difference between these poems and the more traditional folk ballads.
Gasification is a flexible, reliable, and clean energy technology that can turn a variety of low-value feedstocks into high-value products, help reduce our dependence on foreign oil and natural gas, and can provide a clean alternative source of baseload electricity, fertilizers, fuels, and chemicals.
Condensation is when a gas turns to a liquid.   Vaporization is when a liquid turns to a gas(boiling and  evaporation)   Evaporation is with the sun where Boiling is â¦ with a flame or fire.   Hope it helps!