Answer:
The answer is: c. Adding external CSS is a good practice for various reasons, including code organization.
Explanation:
External CSS improves maintainability in code.
Internal CSS has precedence over external CSS, it means that internal will overwrite external CSS, but abuse of internal CSS often makes hard to maintain HTML code on a large website.
Furthermore, it is much easier to modify one CSS(external) file that can impact multiple web pages than go into every HTML page and modify your styles per page. Many sites have hundred or more pages, go through each one wouldn't be productive.
Graphics are important in multimedia application this is because humans are visually oriented etc.
One million is the answer.
Answer:

Explanation:
The computation of the velocity by using the following formula is
As we know that

where,
Displacement is 10 meters
Total time taken is 30 seconds
Now placing these values to the above formula
So, the velocity of Dash is


We simply applied the above formula so that we can get the velocity and the same is to be considered