Astudy of the courts and law
a. economics
b. forensics
c. communications
d. composition

A branch of study which deals with the study of the courts and law is called Forensics. Forensic is the scientific techniques which are utilized in nexus with the disclosure of crime.

For instance, use of DNA profiling. Following are the sources of DNA include blood, hair, nail, saliva, bone and any other materials which can be helpful for detection. Fingerprints are most used in detection usually for forensic purposes in Court and Law studies.

the answer is both an appeal to ethos and logos (if that's what your question options were)

sing because that is what they are doing in the sentence

explanation:

the simple predicate is the main verb in the predicate that tells what the subject does. example: my father fixed the dryer. read each sentence. draw a line under the complete predicate.