Impressions of leaves are recognized evidence of what pre-existing

The correct answer is - plants.

The impressions of leaves are a recognized evidence about the existence of plants plants in the geological past of the Earth, at least from certain periods onward.

The leaves themselves are very easily disposable, so it is pretty much impossible for them to be preserved in their natural form, or at least close to it. On the other hand, in certain conditions, the leaves that were disposing, managed to leave impressions, and they were kept in certain types of rocks, mainly sedimentary ones, thus providing us with evidence of their existence in the past.

tropical storm katrina, and it made landfall between miami and fort lauder-dale, florida, as a category 1 hurricane (a storm that, on the saffir-simpson scale, exhibits winds in the range of 74–95 miles per hour [119–154 km per hour]). sustained winds of 70 miles per hour (115 km per hour) lashed the florida peninsula, and rainfall totals of 5 inches (13 cm) were reported in some areas. the storm spent less than eight hours over land. it quickly intensified when it reached the warm waters of the gulf of mexico.

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