<span>The Answer is C. Right-click row 21's row number, and then click Insert.
</span>
<span>B. users vote on the relevance of the source, which affects whether it will appear in future searches. </span>
Answer:
<u><em>Flashing images</em></u>
Explanation:
Content that flashes or flickers can trigger seizures in susceptible individuals. Therefore flashing or <u>flickering content should be avoided</u>.
The first %d is the result of num 1 /bum 2
