Final answer:
As a substitute teacher, you should be aware of and act within the law and school policies regarding legal accountability.
Step-by-step explanation:
As a substitute teacher, it is important to be aware of and act within the law and school policies regarding legal accountability. Option b. Be aware of and act within the law and school policies is the correct choice. Substitute teachers have a responsibility to understand and follow the same legal obligations as regular teachers. This includes maintaining a safe and supportive learning environment, addressing any legal or ethical issues that may arise, and adhering to school policies and procedures.