Historical Examples. 1  The vegetation was extravagant in its luxuriance and splendor. 2  Except a few lichens, there was not a mark of vegetation about it. 3  The grotto was completely lost to sight beneath the onslaught of vegetation. 4  The work of vegetation begins first in the irritability of the bark and leaf-buds. Essays, First Series Ralph Waldo Emerson There was no soil, no moss, no lichen, no trace of vegetation.
Nutrition labels tell you how much crude protein is in food. Protein is key to good health -- it's involved in immune function, oxygen transport and maintaining strong muscle tissue. Crude protein is a measure of how much protein is in food, based on laboratory tests studying the food's chemical composition. When you look for protein content on a food's nutrition label, the number you see refers to crude protein.
The main classification of crude is by referring to their density. Light crudes have a. specific gravity (d) smaller than 0.825, medium crudes between 0.825 and 0.875, heavy. crudes between 0.875 and 1.000 and extra heavy crudes larger than 1.000.