What was the main reason that Jews fled to the United States at the beginning of the twentieth century?

What is the speed of sound in water

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.

Hey, i was what is consisted in a sustainable city? like what unique designs they have, etc. for answering ; )