The impact of a large asteroid comet with earth has been proposed to have caused the extinction of the dinosaurs. The impact site of this comet is in or near

The early Paleozoic era was the time of the Cambrian explosion. What happened during the Cambrian explosion? A.) Earth was undergoing lots of contractions as it cooled off. B.) There were frequent earthquakes and lots of volcanic eruptions. C.

Who established the first successful European settlement in Canada?

The world's greatest annual average temperature range is in what climate?

Which of the equations have the correct notations? BA=4 / AB=4

What interests you most about Greek Mythology? What are the questions and thoughts do you have about this topic?

What is the term for a stagnant lake that forms along a winding river due to soil erosion resulting in an abandoned stream, cut off from the river?

The behaviors and beliefs of a group of people can be called its

Which was not a domestic source of South Africa's economic growth between 1950 and 1980? inexpensive energy large workforce thriving industries modern technology

Why are the natural resources of the Arctic Islands not being removed very quickly? A. demand for them has dropped in recent decades B. harsh climate and transportation distances make it difficult and costly C.

Soil temperature changes happen so gradually that they do not play significant role in climate