1 The most abundant greenhouse gas, but importantly, it acts as a feedback to the climate. 2  Water vapor increases as the Earth's atmosphere warms, but so does the possibility of clouds and precipitation, making these some of the most important feedback mechanisms to the greenhouse effect. 3  Carbon dioxide (CO 2).
Also called elimination communication or natural infant hygiene, infant potty training is the practice of introducing your baby to the toilet or potty at a very early age â usually between birth and 4 months.
Most parents start the training when their children are between two years and three years old. But there's no official age, and you needn't potty train your toddler at all if you don't want to. Your child may copy others without needing any instructions, as long as you make it clear to her what she has to do, and where she must do it.