1. The P-wave arrived at 14:00:20 pm and the S-wave arrived at 14:05:40 pm at the seismograph recording station. What is the distance to the epicenter?

Which revelation resulted from the observation of the spectrum of different galaxies? a. there were more galaxies whose spectrum was blueshifted b. there were no galaxies whose spectrum was redshifted c. there were more galaxies whose spectrum was redshifted d. there were no galaxies whose spectrum was blueshifted

Where is the only active diamond mine in the u. s.?

Who was the first women to reach in space and which country she live?