Answer:
The <em><u>zany</u></em> scientist performed <u><em>odd </em></u>experiments to entertain the audience.
Explanation:
Answer:
Visual aids are items of a visual manner, such as graphs, photographs, video clips etc used in addition to spoken information.
Answer:A. channels
Explanation: Grace is trying to present herself in a good way so her audience will have a good feel about her. The most possible basic element of communication which grace if giving special attention with all of her preparations is CHANNELS/MEDIA.
Channels as an element of communication is the path through which the communication will take place which can be man or any thing like mobile phones,television,computers.
I'm pretty sure it's the Revolutionary Period.