A classic street sign with a fraction name in Mesa County. Take a drive around Grand Junction, and your GPS might give you instructions like these. “Turn right onto 28 ½ Road. In a quarter mile, turn ...
The health implications of particulate matter (PM) depend largely on its size and composition. Fine particles like PM2.5 (aerodynamic diameter < 2.5 μm) pose severe health risks, penetrating deep into ...
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