Answer:
A conjunction is a word, or words, used to connect two clauses together. Words such as: 'although', 'because' or 'when' .
A subordinating clause is a part of a sentence that adds additional information to the main clause. A subordinating conjunction is simply the word/words that is used to join a subordinating clause to another clause or sentence. Coordinating conjunctions are joiners. They join like with like. For example, a coordinating conjunction can be used to join an adjective with another adjective, a noun with another noun, or a clause with another clause. The three most common coordinating conjunctions are and, or, and but