"Because" is not a signal word for theory and/or evidence. The word implies a relationship of cause. It is used when we are giving the reason why something has happened. On the other hand, the other words that are used in the options are all indicative of theory or evidence, as they all allow us to introduce evidence that supports the argument we are putting forward.
The word that is not a signal word for theory or evidence is option C. therefore. The word "therefore" is used to conclude on something that has been proven. Whereas the words "considering, because and for example" are used to show evidence about something that is studied.
Professor plum is showing the detached style of listening. This type of listener are intellectually not present in a conversation although they are present physically. In the situation described clearly the professor was not listening to what Roberto was saying.
Judaism, monotheistic religion developed among the ancient Hebrews. Judaism is characterized by a belief in one transcendent God who revealed himself to Abraham, Moses, and the Hebrew prophets and by a religious life in accordance with Scriptures and rabbinic tradition
A very obvious effect of the emancipation proclamation would be the freeing of African Americans forced to live under slavery. Another effect would be the increasing tension between the North and the South at the time which would eventually lead to the start of the Civil War.
