B
Explanation:
Developed in the 20th century as people began to live longer and have fewer children
PowerPoint Presentation or Keynote: This is the most used presentation format. Almost everybody either using it from their own computer or getting it done from the PowerPoint designing agency. In fact usage of PPT & Keynote is so high that PPT or PowerPoint become a synonym of Presentation.
Answer:
1. Relevant
Explanation:
This speaker failed to make his speech RELEVANT. Therefore any speech which is not relevant and does not draw the attention of the audience is irrelevant.
Although a speech may be irrelevant to the audience if they dont have interest in the topic or what the speaker has to say, in this case the audience attention may be far away from what the speaker is saying despite been there physically just as the case of Jennifer despite her been their physically for the presentation she does not have interest in what the speaker or presenter had say due to the fact that she is not interested in the topic.
Therefore the speaker failed to make his speech RELEVANT to the audience.
Your answer would be the biofuel industry. The biofuel itself is combustible energy made out of living plant matter, like sugar canes or trees. Biofuel uses plant matter to create energy, but has been increasing deforestation in recent years.
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