Final answer:
Organizations should adopt a comprehensive approach to trauma-informed care by implementing suitable policies, training staff, and ensuring a safe environment for trauma survivors.
Step-by-step explanation:
The practice that organizations should adopt to provide trauma-informed care is all of the above. This means implementing trauma-informed policies and procedures, providing training to staff on trauma-informed care, and creating a safe and supportive environment for individuals who have experienced trauma. These steps are crucial in acknowledging and addressing the trauma experienced by both clients and staff, and in facilitating healing. Additionally, incorporating a trauma-informed curriculum and providing staff with the necessary support for their own trauma can positively impact the delivery of services to clients.