A light wave traveling through air passes into a new medium what can result when some of the waves energy is absorbed by the new album

According to the earth science reference tables, during which geologic time period were the continents of north america,south america, and africa closest together?

The “twelve apostles” are in which national park?

Yo! a girl out ! i will give brainliest! hu one of the main reasons societies settled along rivers in the neolithic era was because a) the village elders demanded it. b) the land there was more valuable. c) it was more safe and secure there. d) it provided irrigation for farming.