Two polarizers are held in front of a light source such that their transmission axes are parallel. as the angle between  the two transmission axes increases toward 90°, which of the following is true? a. the intensity of the transmitted light increases. b. the intensity of the transmitted light decreases. c. the amount of light reflected back to the source increases .d. the amount of light reflected back to the source decreases.

Aballet student who learns with the of his instructor is demonstrating learning.

Which of the following correctly describes what happens when an atomic bomb explodes? small pieces of fissionable material are joined and form a body with a mass greater than the critical mass, the relative number of neutrons escaping decreases, and a chain reaction and explosion result. large pieces of fissionable matter are brought together quickly and form a body with a mass smaller than the critical mass, the relative number of escaping neutrons increases, and a chain reaction and explosion result.

What component of earth’s atmosphere exists entirely as a result of photosynthesis?