How to memorize something quickly and you won't forget it

Is there any species that went extinct in recent years due to natural causes (not caused by human interaction). if so, what caused it?

What is the importance of having the us forest service, the bureau of land management, the us fish and wildlife service, and the national park service? to manage land resources for conservation and the development of natural resources to manage land resources for conservation and the development of urban areas to preserve historical landmarks and manage the development of urban areas to preserve historical landmarks and manage the development of rural areas

Construct at least two possible hypotheses for the student’s experiment.