There’s no backstory to this so I honestly have no clue. But probably true
It is "over the mantelpiece." This is because "over" is a preposition that is telling you where the painting is hanging.
The organizational principle that would be useful for a persuasive speech relevant to convincing an audience about a dated historic event is the Principle of Authority.
<h3>What is the Principle of Authority?</h3>
This principle rests on the that people would most likely believe or be convinced by a fact or information that comes from an authoritative source.
For example, if two persons have an argument, and Person A makes a case based on his or her own Experience and Observation whilst Person B relies on their research as a Doctor in that field as well as the research of other PhD. holders in the same field, people will most likely go with Person B.
In trying to convince people about an event that has happened long ago, it is best to deploy the use of facts from relevant research. This is what the Principle of Authority means in persuasion.
Please see the like below for more about the Principles of Persuasion:
brainly.com/question/4681179
Photosynthesis produces oxygen and glucose mainly. The oxygen gets released into the air, because oxygen to plants is like carbon dioxide to us. It doesnt harm them, but they cant use it. The glucose ends up either being used by the plant or stored somewhere within the plant to be used later.