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.
Contrary to some beliefs, potty training a puppy should start with the breeder very early in life. It is very important at 3 to 3.5 weeks old, when the pups become mobile and start to potty on their own, to set their room up PROPERLY. It is not really a natural thing for a dog to pee or poop in his crate.ups like it at opposite end. When they are 3 to 4 weeks, they will come out of their bed and pee right away, sometimes they only get their front feet out. After they are more mobile, you move the potty away from the bed area. I will line a litter box with paper, but not litter.