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.
--------
Question: The nuclear envelope , also known as the nuclear membrane , is made up of two lipid bilayer membranes which in eukaryotic cells surrounds the nucleus , which encases the genetic material .

Answer: It is a double lipid bilayer membrane which surrounds the chromosomes and nucleolus in eukaryotic cells .


Question: 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 .

Answer: It is shared by Germany and Poland .


Question: In the physical sciences , the terms " mass " and " weight " are rigidly defined as separate measures , as they are different physical properties .

Answer:
In the physical sciences , mass and weight are different .