The meaning of the word 'visible' is 'can be seen with eyes', and that's the labelgiven to the part of the electromagnetic spectrum that can be seen with eyes.It doesn't include infrared or ultraviolet radiation, because those cannot be seen with eyes. Only the 'visible' wavelengths can.1  Comments (0). 2  Report.he meaning of the word 'visible' is 'can be seen with eyes', and that's the labelgiven to the part of the electromagnetic spectrum that can be seen with eyes.It doesn't include infrared or ultraviolet radiation, because those cannot be seen with eyes. Only the 'visible' wavelengths can. 1  Comments (0).
From two to four months of age, most pups pick up on the concept of housebreaking quite easily since it is part of their natural programming. In the early days of housebreaking you want to make sure the puppy has a place to relieve herself where she feels safe; a place that seems and smells familiar.
About 8, 9, 10 weeks. After about 8, 9, 10 weeks of age, or when the puppy arrives at it's new home, the dog should be taught to go potty outside. Do not have paper or potty pads inside your home. Peeing is for outside only, or you are teaching your new pup it is okay to potty inside your home.