Ascientist makes the claim that chemicals like calcium chloride contain energy. which of the following
statements is the best piece of evidence to support this claim?
a. when calcium chloride reacts with water, the water becomes cloudy.
b. when calcium chloride reacts with water, the temperature does not change.
c. when calcium chloride reacts with water, the calcium chloride dissolves.
d. when calcium chloride reacts with water, the temperature changes.

Under a tyranny the power to make a political decision is in the hands of a

Surfaces of paintings—such as paper, canvas, and pottery—are referred to technically as

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.