Answer:
The black dog has won many prizes but he doesn't know many tricks .
HOPE IT HELP YOU.
The phrase, The black dog has won many prizes. He doesn't know many tricks is not a compound sentence and should be made one.
This connects two independent clauses with a coordinating conjunction like and or but to make a sentence a compound one.
Therefore, adding a coordinating conjunction, the phrase will be:
In this case, but is the coordinating sentence here.
Read more about sentences here:
https://brainly.com/question/781903
