choose the right answer : From: David Chowdhury To: All Employees Subject: First Aid Beginning next month, nurses from the Regional Health Unit will offer free classes in first aid to all employees. Participants will receive training in various techniques to help people in emergency health situations. At the end of the course, participants will receive a certificate of participation. The classes will be held in Conference Room B every Tuesday from 12:30 p.m. to 2:00 p.m. To sign up for a class, please visit our Web site. David Chowdhury Chief, Health and Safety Division According to the text, where should staff go to register for the course? the Health and Safety Web site Conference Room B .David Chowdhury's office the Regional Health Unit