Extremely traumatic experiences, such as military combat, can haunt a person for a lifetime due to "flashbacks" that developed because of so much activation in which part of the brain?

Lithium carbonate has proven to be effective in managing the psychotic symptoms of schizophrenia

Indicate whether the statement is true or false

Suppose you had flipped a fair coin 19 times and "tails" had come up each

time. The probability of now tossing a "head" on the 20th flip would then be a. .50 b. .05 c. .95 d. .99