A subordinate clause is defined as the clause that needs the independent clause because it does not convey a complete thought. Based on the given sentence above, there is no subordinate clause, since the sentence is an example of a compound sentence having two independent clause connected by the coordinating conjunction "because". Hope this answer helps.
Answer:
Biofertilizers are the substance that contains microbes, which helps in promoting the growth of plants and trees by increasing the supply of essential nutrients to the plants.
Explanation:
Idiom "Hold your horses"
Simile "As red as a tomato"
Hyperbole "This food is hotter than the sun"
Metaphor "He was a walking encyclopedia"
Alliteration "Peter pepper picked a pickled pepper"
Personification "The sun smiled at me"
I hope it helped.
