Landforms Element Reactions Creating...[edit | edit source] Lake + Fern = Swamp Lake + Tree = Swamp Reactions Involving...[edit | edit source] Swamp + Gas = Methane Amphibian + Swamp = Frog Fly + Swamp = Mosquito Swamp + Jedi = Yoda Categories: Landforms Realm Add category Cancel Save Community content is available under CC-BY-SA unless otherwise noted.