Photo Tip: When your subject is of indeterminate size-a mountain, a body of water, a snowscape-add a sense of scale by including something of known size, such as a person, a car, a tree, or an animal.

It is also wiping out the rainforest, by farming the scale insects that feed on tree-sap.

Decision tree algorithm is that the category knowledge of the training set is mined through built high precision and small-scale decision tree.