A is the answer you are looking for.
I believe it is 1, Compound Sentence. You can tell because if you take the ",or" out, it is still two complete sentences!
The most important subject for (their,<u> them</u>) was how to plant
<h2>Noun and Pronoun :</h2>
By definition, a noun is just defined as a name of a person, animal, place or things. Example of nouns included Peter, Paul, Sophia, Cat, Table, New York, Texas, e.t.c
Now,a Pronoun may be a subcategory of nouns and it is simply a word that can replace a noun to avoid repetition. for instance , rather than calling someone by his name like Peter, you'll say;
Peter wants to return but "he" said he is tired. So we see that the word he has replaced Peter to avoid repetition.
Learn more about noun and pronoun :
brainly.com/question/17392892
#SPJ4
In compound sentence, there are two independent clauses that are joined using a coordinator. While in complex sentence, there are two or more clauses with one essentially an independent clause while there can be on or more dependent clauses. The difference between compound and complex sentence is that there is no dependent clause in compound sentence and at least there is one dependent clause in complex sentence.
I want to say that 1.) is C and 2.) is A I think and 3.) to be D
Good luck hope I don't srew u up and hope there right let me know if there not and what's the name of this story and have a good nite and hope u enjoy the rest of ur weekend