Why flooding can kills plants?

Which organ in the plant body helps in the osmo regulation? What tree is used in India for Christmas? What is conuco cultivation? Why might scientists use computer models in research instead of conducting an experiment on real system they like to study? How normal is it for a Verawood Bulnesia arborea to grow only three inches in five years? What are some nouns that are the color green? Who sang black and white? Do zebras have baby zebras? How many mint leaves should be added to the recipe for a refreshing summer drink? Why is the smart weed considered a weed? Can you root tulips that are cut? How do watermelon plants produce flowers and eventually fruit? When was the first quagga discovered? Why are my tomato leaves turning yellow? How can I successfully transplant a lilac bush to a new location? How does the Philippines grow apples? What side of the house has best sun for tulips to thrive? How should I store home grown garlic to ensure it stays fresh and flavorful? Is the seaweed monster real? How can I successfully grow grass on clay soil?