one of it is the crust and core
Chromatids
The two main parts that make up the structure of a written drama are the acts and the scenes. Acts divide the play into major sections, and scenes further break down the action within each act.
A centromere and a pair of sister chromatids
The phosphate group is part of the nucleotide. Pentose sugar and Nitrogenous base is part of the parts that make up the nucleotide.
The two parts that make up the interior plains are the Central Lowland and the Great Plains. The Central Lowland lies east of the Rocky Mountains and is characterized by flat land with scattered hills and lakes. The Great Plains lie to the west of the Central Lowland and are known for their vast stretches of flat grasslands.
Pronoun and speech
nucleus and nucleolus
The old and new testaments are the two parts that make up the bible.
The central nervous system is made up of two main parts: the brain and the spinal cord.
Sugar and phosphate are the parts that make up the DNA backbone.
The door and two hinges.
The house and the senate
Congress consists of two parts: the House of Representatives and the Senate.
house of representatives and the senate
Protons and Neutrons
Chromatids
The protons and the neutrons.