For months, as Rod drives to work, he has been plagued by worries that he forgot to lock the door, close the windows, or turn off the stove in his house. Several times he has even had to return home and double-check the house before he could get rid of these troubling fears. Rod's worries represent .

gold discovery in california, and pioneer settlers were sometimes pulled west because they wanted to make a better living. others received letters from friends or family members who had moved west. these letters often told about a good life on the frontier. the biggest factor that pulled pioneers west was the opportunity to buy land.

welcome mark brainliest i am trying to get to the next level.

1) d

2)c

3)b

4) a

5)c

6) c

disorders of the brain include both behavior disorders and other psychiatric illnesses. the primary difference between a behavior disorder and another type of psychiatric disorder is the presence of choice. psychiatric conditions are considered to be involuntary while in behavior disorders, choices are essential.