How does Tammet use numbers to understand other people's emotions?

Tammet can do complex math in part because of his synesthesia, a neurological condition that causes a mixing of sensory input. ... This condition makes it difficult for Tammet to understand emotions. Tammet illustrates how he uses numbers and his synthesia to help him understand how other people are feeling.

Explanation:

c) in the address bar

explanation:

this is the only place where url's may be found or entered in to successfully get to a web page.