THE BEST SIDE OF PROTECTION AGAINST DUST AND ALLERGENS IN SAUDI ARABIA

Both of those the onset and the tip on the African Humid Period of time (i.e. the ‘climatic optimum’ that finished around 5500 YBP) look to have already been abrupt, even though its astronomical leads to bear an incredibly gradual alter (deMenocal et al. 2000). Unraveling the causes of these an abrupt local weather shift is definitely an ongoin