Ageologist asks you to look at some ocean sediment, knowing this "dirt" contains the remains of dead protists whose hard shells have fossilized. you mix the sediment with water and examine it under the microscope. the "shells" or "tests" you observe will most likely belong to which group(s)?

Which of the following is an example of the treatment technique for ocd called exposure and response prevention (erp)? a. callie has a hoarding compulsion. she becomes anxious whenever she has to throw something away; she even keeps stuff that she doesn't need and will never use. her therapist has arranged for callie's unnecessary belongings to be discarded of when she is away from home. b. carrie has an obsessive fear of contamination which has led to compulsive hand washing. her therapist is treating her by making her touch dirty laundry but not allowing her to wash her hands following for increasingly longer periods of time. c. kelly has religious obsessions. she feels that if she doesn't read biblical passages every hour of the day, she will do something evil. her therapist is treating her by having her attend religious services more frequently so that good thoughts will replace the bad ones. d. kerry has an obsessive fear of contamination which has led to compulsive hand washing rituals. her therapist is treating her by forcing her to wash her hands repeatedly, even when she doesn't feel anxious.

How have people adapted physically to different environments? why do you think these differences developed?

Researchers endeavoring to conduct an on-line study should consider that there are some potential risks of harm to subjects unique to internet based research. one if the risks is