Mayan language had many dialects - Qhuche, Cakchiquel, Kekchi, and Mam - is still spoken by about 300,000 persons, of whom two-thirds are pure Maya, the remainder being whites and of mixed blood are still spoken today, although the majority of Indians also speak Spanish.
question answered by
(jacemorris04)
Answer:
Water vapor is less dense than these heavy molecules; in humid air, water vapor takes up space that would normally be occupied by nitrogen and oxygen. Known as the "vapor buoyancy effect," this phenomenon renders humid air lighter than dry air of the same temperature, pressure and volume.
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With the advent of condensed and evaporated milk in the late 1800s, the percent of mothers that breastfed their babies had come down to 20-30% by 1940.
<u>Explanation:
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- Though it was deemed crucial to breastfeed the babies during their infant years, majority mothers chose to feed their babies with condensed and evaporated milk owing to various rumors that had disseminated in society.
- These rumors were regarding the sagging of breasts and also about the possibility of breast cancer due to breastfeeding.
- The availability of evaporated and condensed milk just proved to be of convenience for the mothers who did not want to feed their own milk to their babies.
It showed that direct rewards and punishments are not necessary for learning. its called modeling.
