What type of poem did frost write using iambic pentameter

Which word is an example of an iamb mother underneath heartbreak today

Buck did not cry out. he did not check himself, but drove in upon spitz, shoulder to shoulder, so hard that he missed the throat. they rolled over and over in the powdery snow. spitz gained his feet almost as though he had not been overthrown, slashing buck down the shoulder and leaping clear. twice his teeth clipped together, like the steel jaws of a trap, as he backed away for better footing, with lean and lifting lips that writhed and snarled. read this passage. explain what the conflict shows about buck and spitz.

Do not use this medicine with milk, cheese, or other dairy products. what end punctuation needs to be added to the above bolded word?