Using 3 seismograms, epicenters can be calculated using the difference in arrival times of: Question 9 options: Microwaves and Radio Waves Ocean Waves and Sound Waves R-Waves and T-Waves P-Waves and S-Waves.

Sandstones that form in aeolian (wind/desert) environments appear very different from other sandstones, such as those formed in a beach/ shoreline environment and in rivers on land. give three identifying properties for each of the three sandstones that would tell a geologist which depositional environment they formed in. consider things such as the relationship between transportation and grain size, shape, roundness, sorting, fossils and composition.

In the diagram below dab and dac are adjacent angles

The figure is a square. its diagonals meet to form four right angles. what is the approximate value of x? 2.8 units 3.3 units 4.0 units 5.7 units