What is a scientific journal

A)  a personal diary kept by a scientist 
B)  a detailed record of the daily procedures followed in conducting a study 
C)  a periodical that publishes technical and scholarly articles 
D)  a collection of biographies of famous scientists

A scientific journal is a periodical that publishes technical and scholarly articles related to various scientific disciplines. These articles are usually written by scientists and experts in their respective fields and undergo a peer-review process to ensure the quality and accuracy of the research. Scientific journals are an essential and credible source of information for researchers, academics, and students in the scientific community.