The reference to the root of the tree should be set to null
<h3>Can the root of a binary tree be null?</h3>
- Only the subtrees are nulled out, the root always remains and will never be set to null.
<h3>What is null root?</h3>
- null-, root. -null- comes from Latin, where it has the meaning "none; not one.
- '' This meaning is found in such words as: annul, null, nullify.
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Answer:
A form is closed
A form is resized.
A form is opened
A user presses a key
A user moves the mouse
Explanation:
There are different events in a form, and we can use them in different situations like:
- We can use On Resize to resize our form.
- If we On Load the form will be displayed.
- On Clicked, If there was a click in an object
- On Unload to close the form.
- On Mouse Enter and On Mouse Leave, in this case, the mouse enters or leaves the object.
The faster it reaches the bloodstream
I believe it’s B)LAN
Explanation:
A LAN connects computers over a relatively short distance, allowing them to share data, files, and resources. For example, a LAN may connect all the computers in an office building, school, or hospital. Typically, LANs are privately owned and managed.
