Answer:
A Conditioned stimulus.
Explanation:
'A Conditioned stimulus' is elucidated as the stimulus that was previously neutral eventually leads to evoke a learned response with training. Such a stimulus is contradictory to unconditioned or naturally occurring stimulus which triggers a specific response naturally while the former elicits a response through learning from the various factors.
As per the question, the 'opening of refrigerator' exemplifies a 'conditioned stimulus' as it evokes a learned response from the 'dog' as it runs to the kitchen every time 'refrigerator is opened'. Therefore, 'it demonstrates a conditioned stimulus' as Jasmine learns with time that 'every time the door is opened, he gets some food'.
Answer:
36 pounds
Explanation:
The cost of apples is increasing by 6 per 10 apples.
The cost of 50 apples is 30 so 60 apples woulde be
30 + 6 = 36
The correct answer is D. In 2008, more than one million American students gave nearly 20 million service hours to their communities.
Explanation:
In texts, including articles the introduction is commonly the first paragraph in a text that introduces or presents the general topic and the point or points that will be explained during the text. Besides this, it is common the first sentence of an introduction includes a quote, a question, a piece of statistical information or a strong statement that acts as a "hook" catching the readers attention.
Considering this, in the case of the article presented the sentence that beings the introduction is "In 2008, more than one million American students gave nearly 20 million service hours to their communities" because this is the first sentence in the text and therefore the first sentence in the introduction, besides this, the sentence presents statistical information that as a "hook" for readers and introduces or presents the main topic that is volunteer service.