The answer to your question is knowledge. Scientific knowledge is the information gathered by the systematic study of nature.
A possible cause was a meteorite hit the earth. it caused many organisms to become extinct because it blocked out the Sun so plants couldn't grow and herbivores couldn't eat the plants and carnivores couldn't eat herbivores.
As the <span>minister of department of environmental affairs, the ensuring the safety of the people after an earthquake struck is the primary importance. To start, make sure there would be no occurrence of tsunami before deploying rescue operations. I would immediately deploy all the necessary health equipment and personnel to the affected areas. Rescue operations must be started also to save those who were trapped by debris. Removal of live electrical wires is another important thing. </span>