6. Name one human-made structure in the world that is present in a country that a large or small amount of people living in the same area

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

Which search pattern would be best suited for a crime scene where many investigators are available to search a large area? a. spiral b. grid c. line d. zone

The creation of the trans-siberian railway allowed people to travel across russia. how could this railway impact russian culture?