What causes the northern and southern halves of the planet to experience winter and summer at opposite times

Which of the following is true of judaism? a-judaism is the predominant religion of eastern europe b-judaism is the root religion of both christianity and islam c-judaism emerged from christian tradition d-judaism originated in europe

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

What is the thickest layer of earth called?