Answer: Smoking cigarettes
Explanation: The other options don't cause pollution to form in the air besides smoking, from the particles it creates causing harm and damage to your lungs and fill the air with smoke particles.
Answer:
Slower
Explanation:
Slower because the air would be pushing you back, and the other person would be walking faster because they are being pushed forward by the wind
Answer:
Interference of light
Diffraction of light
Polarization of light
Reflection of light
all show the wave nature of light.
The answer is D.
Hope this helps and have a good day :D
