Answer:
A
Step-by-step explanation:
Forensic scientists perform these types of essential tasks:
Analyze physical evidence collected at crime scenes
Provide expert forensic testimony before and during trials
Collect evidence such as blood, hair samples, and other trace evidence
Use chemical and biological techniques to analyze the evidence and document their findings
Prepare reports on their findings
Provide expert opinions for people within the judicial system
Accurately document everything they do so that their testimony holds up in court
Maintain certification through continued learning