The answer is letter A. When you notice the soft sound of rain on the roof, it has crossed a perpetual line called your absolute threshold for detecting an auditory signal. Absolute threshold is the smallest energy that stimulates our human senses such as hearing, seeing, smelling, etc.
<span>He wanted to demoralize the Union.</span>
The reason why US forces went to Somalia was to support a humanitarian mission, to help create a conducive and secure environment in which humanitarian relief operations would take place without harmful repercussions from the fighting militia.