Answer:
your speech must be organize. From introduction to conlusion. It is informative so you must choose topic that is beneficial and where your audience can gain knowledge. Avoid fillers and you must have an eye to eye contact with the audience. Lastly, be confident.
Answer:
He painted portraits of important people such as George Washington.
It is the RGB system. It makes colors by mixing the right amounts of red, green, and blue light. Here it mixed only red and blue.
