Environmental Science
Carbon monoxide is a pollutant because it

inactivates nervous system A
reacts with 02
inhibits glycolysis
reacts with haemoglobin

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Environmental Science
The air temperature is 45o F, the wind is blowing at 30 MPH, and the wind chill temperature is 15o F. These conditions would be equivalent to:

A 15o F air temperature and 0 MPH winds
A 30o F air temperature and 15 MPH winds
A 30o F air temperature and 45 MPH winds
A 15o F air temperature and 30 MPH winds

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Environmental Science
During an equinox:

The days and nights are of equal length except at the poles
All of these
At noon the sun is overhead at the equator
The earth is not tilted toward nor away from the sun

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