An explosion occurs 275 m above an 867-m-thick ice sheet that lies over ocean water. if the air temperature is 27.00°c, how long does it take the sound to reach a research vessel 1 250 m below the ice? neglect any changes in the bulk modulus and density with temperature and depth. (use bice 5 9.2 3 109 pa.)

1# the answer is c

2#the answer is a

an interrogative sentence is a type of sentence that asks a question, as opposed to sentences that make a statement, deliver a command, or express an exclamation. interrogative sentences are typically marked by inversion of the subject and predicate; that is, the first verb in a verb phrase appears before the hope i

about 25% of a paper can be direct quotes.