What happened when the Nile perch introduced into Lake Victoria in east Africa?
AExtinction of trees
BIncrease in the number of trees
CExtinction of cichlid fish
DIncrease in the number of cichlid fish
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Which of the following statements regarding the 'glowing avalanche' (pyroclastic flow) is incorrect?
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- Its extreme heat and speed contribute to the danger of a pyroclastic flow.
- Pyroclastic flows consist of a slow-moving mixture of volcanic gases and fragmented rock, making them relatively harmless.
What is the key distinction and focus of a mock drill?
What is a core principle of the NPDM 2009 regarding the primary responsibility for disaster management?
Identify the correct statements regarding the capabilities evaluated in a mock exercise.
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- Evacuations of villages and buildings are not typically tested in mock exercises.
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What is the level of the organization after the organs?