TASK DEFINITION: In this task, we ask you to rewrite a sentence in simple English without changing its general meaning. Essentially, you want to make the sentence easier to read by using simpler words, utilizing more straightforward sentence structures, and omitting non-essential information etc.
PROBLEM: Szczecin Lagoon , Stettin Lagoon , Bay of Szczecin , or Stettin Bay , also Oder lagoon , is a lagoon in the Oder estuary , shared by Germany and Poland .

SOLUTION: It is shared by Germany and Poland .

PROBLEM: A chemical property is any of a material 's properties that becomes evident during , or after , a chemical reaction ; that is , any quality that can be established only by changing a substance 's chemical identity .

SOLUTION: In chemistry , a property is any aspect of a substance which is only seen by means of a chemical reaction .

PROBLEM: A working hypothesis is a hypothesis that is provisionally accepted as a basis for further research in the hope that a tenable theory will be produced , even if the hypothesis ultimately fails .

SOLUTION:
The hope is that a theory will be produced , even if the hypothesis ultimately fails .