Answer:
data source
Explanation:
The main aim of a data source is for the gathering of all necessary information that is needed to access a data. Since he has used the information to create a pie chart, this means that some data were used for the creation of this pie chart. Hence the information used for the creation of the pie chart is the data source for the information illustrated on the pie chart.
D. All of the above.
<u>Reason:</u>
A. Fences can get in the way of a beautiful picture.
B: The animal's enclosure may be hard to get the perfect snap. Like a rock can be in the way of the animal. idk...lol
C. People want to see the animal as much as you do so they may block the way of a picture.
Example from Google..XD