Please help I just need this one and one more so I can finish.

Desalination is expensive because it requires

Parla you studied both a video analysis and text analysis of the poem "i hear america singing." consider how the speaker of the poem describes america as "singing. nrite a paragraph discussing the central theme of the poem, drawing information from both the video and the text. cite specific evidence from the video and text to support analysis

Iam trying to  get  a call through to san francisco. (send, put)