What are two methods of preventing floods

To prevent a flood we can put up coastal defense walls and we could also plant more trees,vegetables,fruits and etc. growing more plants can help protect the land from erosion by moving water. Hope this helps…

Bunicellular.dinoflagellates are unicellular or multicellular, producers, and autotrophs, and apple trees are multicellular, producers, and autotrophs. all plants have numerous cells in them, so they can never be unicellular. the remaining characteristics they share with less complex organisms such as dinoflagellates.