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.
When you have a child in diapers, it may seem like she'll never learn to use the toilet. Yet, according to the University of Michigan Health System, most girls are potty trained by 29 months -- about two months ahead of boys on average. There is no known reason that girls typically potty train faster than boys.