Simplify the following text for a Grade 7 native English-speaking person.
Original: The Aral Sea ( Kazakh : Ð Ñ Ð Ð '' Ð cents Ð Ò # Ñ -- Ð Ñ -- ( Aral Tengizi ) , Uzbek Orol dengizi , Russian Ð Ñ Ð Ð '' Ñ Ñ Ð Î Ð Ð 1\/4 Î Ñ Ð ) is a lake in Central Asia ; it lies between Kazakhstan in the north and Karakalpakstan , an autonomous region of Uzbekistan , in the south .
Simplified: Commanded by Lt. Alexey Butakov ( Ð Ð '' Ð Ð Ñ Ð Ð Ð ` Ñ Ñ Ð Ð Ð 3\/4 Ð ) , the Constantine completed the survey of the entire Aral Sea over the next two years .