Compare how people are affected by an Air Quality Index of 140 with how they would be affected by an Air Quality Index of 170.

The higher the AQI value, the greater the level of air pollution and the greater the health concern. For example, an AQI value of 50 or below represents good air quality, while an AQI value over 300 represents hazardous air quality.

Explanation:

#need any queshtions answered emidiatly- text me and I got you on pro mo speed

_we all have those times where we need those answers right away.

c

explanation:

the answer is true when observing or determining population size, a direct observation is use, in which each organism is counted in a population or in an area. one benefit of this measure is that you get the exact population count but it will take a long time to  determine  the  size  of a  population.