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.
Dwarfed by nature: The high-rise buildings of the city are humbled by the massive dust storm, which is a regular feature of Arizona's monsoon season from now until the end of September. Awesome sight: The storm, also known as a habub, brings choking dust and strong winds along with it.