Workers who perform hazardous work alone may be unable to get immediate help if they become ill or are injured. How can an employer determine if their workers are at risk? Select all that apply. Question 13 options: A-Checking the rates of depression and stress among workers B-Working alone is not a hazard or a risk in workplaces C-Evaluating presence of others, awareness, willingness and timeliness D-If they work with the public