Which sentence uses correct punctuation? many countries are making progress to solve environmental problems, however, there is more to be done. many countries are making progress to solve environmental problems; however, there is more to be done. many countries are making progress to solve environmental problems, however there is more to be done. many countries are making progress to solve environmental problems, however; there is more to be done.

an argumentative essay presents objectively a topic and its main characteristics. besides, it states all this information and facts by giving authentic and substantiated proof to the audience. by contrast, a persuasive text purpose is to convince the audience about some facts by presenting them according to his/her emotions and feelings. the main purpose of a persuasive text is to convince the audience to agree with the author´s opinion. on the other hand, in the argumentative essay, the author leads the writer to recognize his/her point of view as the correct one.