Answer:
Scarcity
Explanation:
Scarcity is the situation that arises when there is a disbalance between the wants and the resources. It is said to be the general problem that exists i an economy. The wants of the society remains unfulfilled when the means to complete the satisfy those resources falls short. In such situations, the particular resources are termed as scare resources. Alternatives and other methods to fulfill such needs are manufactured to help the demands to be fulfilled.
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Answer:
- Decrease; lengthening.
Explanation:
As per the question, Barb's today's stress must decrease the telomerase activity as he would feel more chronic strain thinking about the completion of these stressful tasks like 'finishing the research paper and preparing the presentation for tonight'. This might have led to the lower levels of telomerase, thereby possibly 'lengthening the telomeres'. Such states of chronic stress require increased telomerase activity to deal with the complications of these stress and avoid the imprudent destruction of DNA.
