Alpha waves are characteristic of ________

_____ is the technical name for nearsightedness, whereas _____ is the technical name for farsightedness

Fill in the blank with correct word

Illnesses such as measles and chicken pox

A) typically do not appear until after age 3 throughout the world. B) occur at about the same rate in all countries. C) have been eradicated through mass immunization. D) occur much earlier in developing nations than in industrialized nations.