Alligators still exist in some of the dank 潮湿 swamps and bayous小海湾 of Alabama's coastal regions.
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Somechildrendisplayanunquenchable难以抑制的curiosityabouteverynewthingtheyencounter.
Thefirstpaperwasmadefromthebarkofthemulberrytree.
TheeconomyofDallas,Texas,isstronganddiversified.
AlthoughtheCarbon14methodofdatingoldobjectsisnotfoolproof,itisthebestmethodavailableatpresent
TheNativeAmericaninterpreterSacajaweawasavaluablememberoftheLewisanddarkexpeditionin1805.