Can someone use the word harmonious in a sentence?

Which of the following root words means bad

Besides the revisions listed in the paragraph, what else can deepak do to strengthen his paper?

Which best compares the authors’ purposes in silent spring and “save the redwoods”? both authors want readers to protect human rights. both authors want readers to focus on saving trees. both authors intend to entertain readers with their essays. both authors intend to convince readers of their viewpoint.