What do you mean? The question is kind of confusing.
Sourcing is finding out where something/someone can be obtained
Observing nature is great because you can learn so much about the world around you.
Obseving the earth can help you make new discoveries
Answer:
pictures are easier interpret than words or something along the lines
Explanation:
The type of tone that you would use for presenting for a business audience is soft, confident and at a normal pace.