The hemisphere most involved in preserving one's sense of identity or "self" is the______ hemisphere

You look at the moon through a rolled-up paper tube. It will

a. look like it has disappeared. b. appear to expand. c. appear to shrink. d. show no change in its perceived size from looking at it without the paper tube.

Studies of mutation demonstrate that __________

A) some mutations occur spontaneously, simply by chance B) mutations are never desirable C) females are more susceptible than males to harmful mutations D) most mutations cause only a temporary change in a segment of DNA