Is Utah, Columbus, Ohio, St. Louis, Missouri, The Sahara, The Rocky Mountains all a formal region?

Which environment would most likely not contain fossils? a a thick deposit of cracked, dried mud b sediment deposited in a sandy river bed c intrusive rock formed from cooled magma d layers of sand accumulated for a century

Based on what you know about the location of the earth in relation to the sun, why is this called the goldilocks zone in other galaxies?

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