Answer:
if it is a multiple answer then it would be A and D if its just on then i would go with A
Explanation:
Yes, because it's a picture taken of the event.
You know a secondary source is something that DID NOT take part of or witness the event, so a Primary source is something that DID take part of, or witness the event.
So a picture would be a Primary source.
Because of our technology and medicine.Africa is not as advanced as we are we have different ways of helping people in safe ways,as in Africa they have other ways that could be dangerous and leed to serious disease.
A(n) <u>natural</u> join returns not only the rows matching the join condition (that is, rows with matching values in the common columns) but also the rows with unmatched values.
<h3><u>What is a "natural join"?</u></h3>
By default, natural joins are natural inner joins, however, they can also be natural left, right, and full outer joins. The main distinction between an inner join and a natural join is that an inner join has a join condition that is specified explicitly, whereas a natural join's conditions are determined by matching all pairs of columns in the tables that have the same name and compatible data types, which makes natural joins equijoin because the join condition is equal between common columns.
Learn more about the natural join with the help of the given link:
brainly.com/question/24293622
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