1. D
2. B
3. B
these are what i would go with sorry if they are wrong :)
References can provide information on personal characteristics. The background check can be considered as a preemptive measure to ensure the integrity of the organization and the safety of employees. Individuals may not be appropriate for certain positions due to some aspect of their history.
Answer:
The nervous system can respond quickly to stimuli, through the use of action potentials and neurotransmitters. Responses to nervous system stimulation are typically quick but short lived. The endocrine system responds to stimulation by secreting hormones into the circulatory system that travel to the target tissue.
hope it helps
have a nice day