Coordinating conjunction is a conjunction (such as and, or, or but ) that joins together words, phrases, or clauses of equal importance.

Here’s the correct matching of the items:
1. a verb form (which may end in -ing) used as an adjective : k. participle
2. a verb form used as another part of speech : m. verbal
3. a verb form ending in -ing used in place of a noun : c. gerund
4. group of words without a subject and verb used as single part of speech : e. phrase
5. verb form preceded by to that is used as a noun, an adjective, or an adverb : a. infinitive
6. phrase beginning with a preposition : h. prepositional phrase
7. prepositional phrase modifying a noun or pronoun : j. adjective phrase
8. participle with complements and modifiers : f. participial phrase
9. verb ending in -ing used with a helping verb : l. verb phrase
10. prepositional phrase modifying a verb, adjective, or adverb : d. adverb phrase
11. a conjunction that joins words or groups of words of equal rank : i. coordinating conjunction
12. an adjective clause that is essential to the meaning of the sentence : b. restrictive clause
13. a verbal form ending in -ing with its object and modifiers used as a noun : g. gerund phrase

Listening to others is a necessary step in any educational process.
Verbal phrase: Listening to others
Type: Gerund phrase