Answer:
They are using the availability heuristic.
Explanation:
The availability heuristic is where people make judgements based on immediate examples that come to mind. In this question, most people would assume the description refers to a male student because we think of those traits as dominant, which is linked with masculinity.
Answer:
Radio waves are used to transfer signals to and from the cell phone. Modern mobile phone networks use cells because radio frequencies are a limited, shared resource.
All of the cell sites are connected to telephone exchanges (or switches), which in turn connect to the public telephone network.
Pollution or waste that is generated from a business is called a waste stream.
Hope this helps :)