dna,rocks,tsunami,salt,r,earthquakes,floods,hurricane,plate tectonics,tornado,wild fire,wildfire,acid rain,drought,erosion,super cell,rain,hurrican,tornadoes,supercell,plants,water cycle,rocka,polluting,ocks,trees,volcanos,erison,global warming,tropical storms,volcanic eruption,dust storms,tsuniami,land slides,mud slide,earth quakes,forest fire,polotion,hurricanes,natural disasters,earth quake,eroison,plate motiond,deforistation,natural disaters,volcano eruption,erosions,volcanoes,erisons,precipitation,forestfire,pollution,d,i,s,rock,flooods,extinction,tornados,t,j,k,l,m,n,o,p,q,a,h,g,rocls,rokcs,b,rocs,rockjs,rocksdna,c,e,f,dna',