Below is a risk assessment from Slide 27 of the 'Mine safety and risk assessment and management' lecture. Although a risk ranking matrix is an important tool for assessing risk in a mining operation, what other aspects need to be analysed in order for this matrix to be effective? (Select more than 1) A. Evaluate the probability and consequences of each hazard occurring. B. Allow workers to determine measures appropriate to the situation. C. Identify, understand and document all possible hazards. D. Define the scope/terms of reference of the risk assessment