You are testing for the presence of starch: Iodine dissolved in an aqueous solution of potassium iodide - reacts with starch producing a deep blue-black color. This reaction is the result of the formation of polyiodide chains from the reaction of starch and iodine.
Ok, so the Answer is D. Wind because wind can be transformed into mechanical energy in the wind tube and the wind tube makes electricity.
Smilus dramaticus: All of the Duchotomous keys one smiles :)
.Smilus upsettus
Smilus saddus
Smilus winkus
Smilus Saddest
Smilus piratus
Smilus valentinus
Smilus suprisus
Smilus toothyus
Smilus traditionalis
It's called telophase in mitosis
