The property of light that causes your arm to look bent when it is submerged in water is called:
A) refraction. B) interference. C) reflection. D) diffraction. E) dispersion.
Question 2
In 2010, the Clean Air Act
A) was repealed.
B) was severely weakened by the Congress in a new bill that was ultimately vetoed by the President
C) cost 27 billion to implement, but saved an estimated 110 billion.
D) resulted in some 4 million lost works days.
E) cost more to implement than it saved, giving critics new fodder to attack the law.