These are carried by the fleas. Ear mites can cause severe ear infections and as a result tear staining. Fleas require a pro-active approach to keep under control. Before attempting to remove the tear staining from a dog's face, it is most important to have eliminated the source of the staining. Otherwise it will just come back and many times it will be worse than before.
The definition of an artifact is something made by humans and often is a primitive tool, structure, or part of a functional item. An example of an artifact would be a cooking pot found by archaeologists that Ancient Romans might have used. any object made by human work; esp., a simple or primitive tool, weapon, vessel, etc.
How do artifacts tell us about the past? Artifacts can be utilitarian materials, art or garments. Artifacts  can tell modern scholars how ancient cultures lived in their day to  day lives as well as what they belieâ¦ved.