How to use the words dedicated and obstacle in a sentence

Hey student is writing a conclusion for his research based informative essay on the possibility of exploring and having mars where should he including his conclusion select two options

How does frost use ambiguity to present his message about walls and neighbours what evidence supports the idea that the speaker believes good fences make good neighbors what details suggest the opposite

Preview the following sentence and identify the meaning of the underlined word in the sentence. the brain was riddled with holes, it looked like a sponge. a. bridled c. perforated b. pierced d. b and c select the best answer from the choices provided a b c d mark this and return