Which one of the structures below is different from the other three? 
Definitions:
Emissions
The release of pollutants into the air or environment by an entity.
California
California is a state located on the West Coast of the United States, known for its diverse geography and as a hub of entertainment, technology, and agriculture.
Air Pollution Standards
Regulations established by government agencies aimed at controlling the emission of pollutants into the air to protect public health and the environment.
Industrial Solvents
Chemical substances used in manufacturing processes to dissolve, dilute, or extract other materials without chemically changing either the solvents or the other materials.
Q2: A sample that cannot be separated into
Q6: The distance between atoms is sometimes given
Q18: A few sheets of ordinary paper can
Q36: Which does not apply to a nuclear
Q52: Which one of the structures below is
Q68: In organic molecules the molecular geometry exhibited
Q82: The masses of <sup>4</sup>He,<sup>6</sup>Li,and <sup>10</sup>B are 4.0015,6.0135,and
Q165: Based on the structure of its side
Q227: None of the listed compounds contains a
Q270: How many peptide bonds are present in