Indoor air is much cleaner than outdoor air
What will be an ideal response?
In general, this is incorrect. Many pollutants build up inside enclosed spaces. Of
course, if a major pollution episode is occurring outside, the inside air can be healthier.
You might also like to view...
Star streams that are seen around the Milky Way Galaxy are probably the result of:
A) stars ejected from the Galaxy by gravitational encounters with the central black hole. B) tidal interactions with satellite galaxies. C) a collision with a large galaxy in the distant past. D) stars being pulled from the Andromeda Galaxy. E) spiral density waves.
An image is 4.0 mm in front of a converging lens with focal length of magnitude 5.0 mm. Where is the object for this image?
A) 2.2 mm in front of the lens B) 9.0 mm behind the lens C) 2.2 mm behind the lens D) 20 mm in front of the lens
If the interaction of a particle with its environment restricts the particle to a finite region of space, the result is the quantization of ____ of the particle
a. the momentum b. the energy c. the velocity d. all of the above properties e. only properties (a) and (b)
A 340-g air track cart traveling at 1.25 m/s suddenly collides elastically with a stationary 300-g cart. What is the speed of the 300-g cart just after the collision?
A) 0.0781 m/s B) 1.33 m/s C) 0.625 m/s D) 1.25 m/s E) 0.664 m/s