EVERYTHING ABOUT PROTECTION AGAINST DUST AND ALLERGENS IN SAUDI ARABIA

Each the onset and the tip of the African Humid Interval (i.e. the ‘climatic optimum’ that ended close to 5500 YBP) look to happen to be abrupt, even though its astronomical triggers undergo an exceedingly gradual modify (deMenocal et al. 2000). Unraveling the causes of these an abrupt local weather change is undoubtedly an ongoing puzzle that