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Select all operations for which we can use square brackets [  ]

Complete the following code block to print the key value pairs in the num_dict dictionary.   num_dict = {1:”st”, 2:”nd”, 3:”rd”, 4:”th”} for key in [block1]: print(str([block2]) + str([block3]))  

In a few sentences, explain the difference between ionic and covalent bonds.

What are the contents of the following variables after this code is run?  first = {5, 2, 7, 3, 5} second = {2, 8} first [ 0:3 ] [blank0] first | second  [blank1] first & second [blank2] first < second [blank3]

Let’s say we have a dictionary defined as dict1 with some items in it. Now, we want to create a new empty dictionary dict2. What are the ways to create dict2? Select all correct options.

Which instrument is used to gain access to the pulp?

A method to disinfect the root canal could include a small amount of disinfectant applied to the insides of the root canal walls.

Root canals are measured in ____________.

The most useful tools in diagnosing periapical problems are often ____________.

Dental microscopes are playing an integral role in endodontic treatments and therapies.