MS Power Point
To maintain the perspective (height and width ratio) of an object when resizing, you need to

Drag a corner sizing handle
Press and hold the shift key while dragging a corner sizing handle
Press and hold the alt + ctrl keys while dragging a middle handle
Press and hold the shift key while dragging a corner sizing handle & Drag a corner sizing handle

ANSWER DOWNLOAD EXAMIANS APP

MS Power Point
The size of an organization chart object

B and C
Is dependent on the amount of text within the organization chart
Is determined by the presentation design but can be changed in PowerPoint
Is determined by the presentation design and cannot be changed

ANSWER DOWNLOAD EXAMIANS APP