I am thinking C. Good luck
Which of the following is not property of optical telescopes<span>. Refracting power or Reflecting power</span>
Answer:
chlorination and ozonation disinfection
<span>When ozone forms near the ground, it is known as a secondary pollutant. This is because it is the result of two primary pollutants reacting to create a new substance. The reaction between the primary pollutants is airborne and then the resultant ozone settles near the surface of the ground.</span>
