What causes the speakers heart to “begin to beat” in the seafarer

What does water came out from a rock mean in this poem and why is it compared to the radio waltz? time was away and somewhere else. the waiter did not come, the clock forgot them and the radio waltz came out like water from a rock: time was away and somewhere else.

Read this excerpt from tim o’brien‘s “ambush” “i had already pulled the pin on a grenade. i had come to a crouch” which literary device is most clearly shown in this excerpt?

In at least 150 words, discuss the comparison described in the figurative language and how the connotative language reinforces the symbol. certainly the utmost rim of my first dome was filled with the tumultuous impression of soldiers marching to death for freedom's sake, of pioneers streaming westward to establish self-government in yet another sovereign state. only the great dome of st. peter's itself has ever clutched my heart as did that modest curve which had sequestered from infinitude in a place small enough for my child's mind, the courage and endurance which i could not comprehend so long as it was lost in "the void of unresponsible space" under the vaulting sky itself.