An Example of Basic Research Is

An example of basic research is

A) the development of new plastics that can be recycled.
B) the study of the relationship between the amount of automobile emissions gases in the atmosphere and the decomposition of atmospheric ozone.
C) the study of the composition of the atom.
D) the design of new batteries for electric cars.
E) the study of natural compounds in sea animals to look for new molecules that can be used for medicine.