Silk Road:
The Silk Road specifically refers to the trading land routes that connects East and Southeast Asia to South Asia and Persia followed by Arabian Peninsula, East Africa and finally Southern Europe.
This network was regularly used from 130 BCE and part of that road is still in existence as a paved highway that connects Pakistan and the Uygur.
Chinese are the one who first started trading in this road and as its name indicates it is mainly used as a trade route for trading silks.
Hence this ancient road played a major role on times when it was constructed.
When considering the behavior of birds, the response of opening the mouth when presented with a dangling worm is an example of "Innate behavior".
<h3>What do you mean by Innate Behavior?</h3>
Firstly, the term behavior is define as the way through which the particular person act with others. This can be positive or a negative.
Adding to it, Innate behavior is defined as the behavior that is developmentally fixed. This type of behavior is controlled by genetics. The results of this type of behavior is automatic without any prior experience.
The behavior that this shown in given scenario shows is innate, it is because it is already natural process of the way like how the baby birds responds and because they were asking or have the thought of having food as now that they saw their mother.
It is considered as the natural way to speaking with the mother when baby birds see her because they want food to eat.
Most of the birds' movements are considered as the innate because they are genetically programmed. Their behavior is based upon the particular or given stimuli. A stimuli or situation here means anything that impact on the working of organism to react.
Learn more about Innate behavior, refer to the link:
brainly.com/question/12792340
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Explained
Learned helplessness is a psychological disorder. It occurs when a person feel stressful situation repeatedly. In this situation they believe that they are not able to work and move. So that they do not try to escape or take action against the situation.
The opportunities become changed according to the situation. Martin Saligman explained about learned helplessness. Learned helplessness leads to the psychological disorder such as stress and depression. It is also included mental disorder such as PTSD.
Answer:
Scientists have theorized that fugitive emissions of methane from fracking wells could make gas worse than coal pollution for the climate. Fracking wells also leak volatile organic compounds (VOCs), which cause asthma, cancer, and severe illness. ... The researchers pinpoint oil and gas development as the main source.
