If earth had twice its present mass but it orbited at the same distance from the sun as it does now, its orbital period would be

Which letter on the map represents the country of Iran? A) a B) b C) c D) d

Which statements describe results of the greenhouse effect? (select all that apply) 1. habitable climate 2. warmer temperatures 3. increased radiation 4. decreased water vapor 5. reduced rainfall 6. rising CO2 levels 7. longer days

Which of these regions is not one of the traditional industrial zones in the United States? A) New England B) Middle Atlantic C) Eastern Great Lakes D) Western Great Lakes E) South

Where is air pollution the worst? coastal areas mountain areas rural areas urban areas

Which describes Haiti's leadership in the 1850s? under control by temporary presidents under imperial rule under control by a constitutional government under military rule

What force acts again capillary action as water moves through the ground

According the hardy-Weinberg principle which of the follow is most likely to disrupt genetic equilibrium

What is the impact of county government on the lives of citizens

How does earths orbit affect our climate

Describe some of the challenges facing farms and cities in China as a result of urbanization