Answer:
Someone wants to have smoke in the air at a laser show because It's the dust particles or mist droplets which reflect the light of the laser. When you see a laser beam, what you are seeing is the beam being scattered by various small particles suspended in the air. ... When people want to show off laser beams, they often add smoke or equivalent to the air.
Your answer will be c. each child receives some traits from each parent
<span>The mirror is used to focus light through the opening in the in the stage of the microscope.</span>
I dont enderstand, u need help about what
