The visible spectrum is the portion of the electromagnetic spectrum that is visible to (can be detected by) the human eye.Electromagnetic radiation in this range of wavelengths is called visible light or simply light.he visible spectrum is the portion of the electromagnetic spectrum that is visible to (can be detected by) the human eye.
Potty-training success hinges on physical and emotional readiness, not a specific age. Many kids show interest in potty training by age 2, but others might not be ready until age 2 1/2 or even older â and there's no rush. If you start potty training too early, it might take longer to train your child.eady, set, go! When you decide it's time to begin potty training, set your child up for success. Start by maintaining a positive attitude â and recruiting all of your child's caregivers to do the same. Then follow these steps.
Some parents start toilet training when their babies are younger than four months. This is done by watching for signs of an imminent wee or poo and catching it in the toilet.This method is called elimination communication.ealthy children aren't physically and emotionally ready to start using the toilet until they are between 18 months and three years old. Boys tend to be ready a few months later than girls. Most parents start the training when their children are between two years and three years old.