Blood Type Facts: There are eight different common blood types, which are determined by the presence or absence of certain antigens, which are substances that can trigger an immune response if they are foreign to the human body.
Arizonaâs monsoon is the northern extent of the North American Monsoon, which begins in early June in central and southern Mexico.The monsoon is a season, during which the dry westerly winds that persist through fall, winter and spring shift to moist southerly winds, bringing thunderstorm activity into Arizona.
Monsoon season typically starts in mid July and continues through the end of August but can persist as late as October. Monsoons play a critical role in the desert and mountain environments of the Southwest by providing much needed water and helping decrease the likely hood of forest fires.