An earthquake's P-wave arrived at a seismograph station at 02 hours 40 minutes 00 seconds. The
earthquake's S-wave arrived at the same station 2 minutes later. What is the approximate
distance from the seismograph station to the epicenter of the earthquake?
(1) 1,100 km (2) 2,400 km
(3) 3,100 km
(4) 4,000 km

The continental divide a divides the united states into east and west b. divides the united states into north and south c. divides the flow of river systems in the united states into east and west d. is a series of rivers and mountains that separates canada from the united states select the best answer from the choices provided.

Match the vocabulary word with its meaning

Which of the following is not a place where hydrogen can be found on earth? a. natural gas well b. atmosphere c. water d. mine