endangered species - Animals in extinction, earthquake - synonym of quake, flood - synonym of inundation, tsunami - a long, high sea wave caused by an earthquake or other disturbance., hurricane - A tropical system with winds that have reached a constant speed of 74 miles per hour, tornado - a mobile, destructive vortex of violently rotating winds, blizzard - a large or overwhelming number of things arriving suddenly., wildfire - it can happen in the forests , global warming - the long-term warming of the planet's overall temperature, overpopulation - too many people, deforestation - cutting trees, acid rain - any form of precipitation with acidic components, air pollution - It can happen because of exhaust fumes, soil pollution - when people dump trash to the ground, water pollution - when fish die it is because of this, greenhouse effect - he process through which heat is trapped near Earth's surface,

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