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.
Never, never use a pee-pee pad or have a potty station inside your home after the puppy is 8 to 9 weeks of age. You want to expand on what the breeder has already taught the puppy and take it to the next level. You need to teach the pup that it is off limits to relieve itself inside your home.