false because if you leave them blank then ther will be no use to add them in the first
Answer:
vec[0].push_back(10)
Explanation:
Given
Declaration: vector <int> vec
Required
Assign 10 to the first element
This can be done using the push_back keyword.
The syntax is: <em>vectorname[position].push_back(value); </em>
In this case:
vectorname = vec
position = 0 i.e. first element
value = 10
So, we have:
vec[0].push_back(10)
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I think it is D. eyepiece because what I know we can put a camera to the eyepiece
Answer: D.) all of the above
Explanation: By doing all three of these it makes almost everyone in the community is happier and more positive which is better than the bully's & people who don't speak up feel less entitled, it achieves the goal.