Some experts regard heroin as the most addictive drug available on the street, but many research scientists have questioned this assumption in recent years. Even though heroin is famous for it's addictiveness, recent studies pointed that it can vary depending on the mode of use they employed.
Answer:.b. stimulus control.
Explanation:
According to behavioral psychology, stimulus control refers to how an organism tend to change their behavior in the presence of a certain stimuli and return to another behavior in the absence of that stimuli.
Someone uses discriminative stimulus to refine their behaviour in response to a particular stimuli such as when Robert sees the police officer this is a behavior driven by knowing that this is an authority figure and is based on historical reinforcement.
The answer is : reduce speed and head into the waves at a 45-degree angle. Navigation lights should be on and speed slowed to the minimum to maintain steering and headway. When heading to shore during a storm, the bow of the boat should approach the waves at a 45 degree angle.
The Yangtze is the most important river of China. It is the country's principal waterway, and its basin is China's great granary and contains nearly one-third of the national population.
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