I believe the answer is B. Optimization because it means to make work more efficient but I might be wrong. Checking definitions, this one seems more logical.
Be patience, teach them about the culture.
Answer:
1.Go to the View tab and select Watch.
2.Comparison
3.Editing
4.Drawing (I think)
5.Predesigned slides available for creating a new presentation
Explanation:
If you have windows you have Windows Defender Installed already!!
The work same to be level order traverse and the sea is completely