Why flooding can kills plants?

Why are my English ivy leaves turning brown? Are all zebras alike? Why are my tomatoes turning purple? How can I effectively use a torch to eliminate weeds growing in between pavers? How can I properly care for and maintain the health of my rooting knockout roses? Do osage oranges grow on trees? Why are my tomato plants' stems turning brown? Why do coco beans only grow in tropical countries? What is the problem about do plants grow better in water or soil? What type of soil-sand potting soil or local soil is best for growing a particular crop? How can I effectively get rid of doodle bugs from my home? What is crown of the tree? What does the giant taro leaf have that helps it to capture sunlight? Why are my avocado tree leaves turning brown and falling off? If trees can walk like us what it can do for us people? What is being done to save the Venus Fly Trap? How do animals help oak trees? How can I create a beautiful and sustainable lawn using microclover in my yard? Where is ash tree fungus found? Where do Mimosa trees grow in Canada?