Climate change

12. A period of prolonged continental glaciation often indicates which phenomenon?

A) ice age

20. These periodic changes on earth are result of the five major _____ that have occurred thought out earth history

A) ice ages

6. The Hawaiian islands

B) volcano

18. Modern coral

C) a hole in the ozone

7. All these catastrophic events could be a consequence of global warming Expect?

C) increase in biodiversity

17. The events of 1815 were caused by

C) massive volcanic eruption

14. Which was a contributing factor to the formation of the Great Lakes

A) glaciers scouring the land and melting

5. What is thought to have caused the mass extinction at the end of the Cretaceous period?

B) an asteroid hitting earth in Mexico

13. Which event is most likely to decrease the amount of sunlight that reaches earths surface?

B) an asteroid impact

9. Which event most likely formed the barringer crater

B) an asteroid impact

3. During a major ice age, sea levels

B) fall because Ice freeze

1. During the ice age the sea level was ____ it is today

B) much lower than

2. Which statement best summaries the evolutionary history of the area shown

B) the area was once covered by an ocean and was replaced by temperate deciduous forest

19. Scientists consistently link two catastrophic events

B) the impact of asteroid and volcanic eruptions.

16. The hypothetical scenario on earth could be the result of

C) massive volcanic eruption

10. The evidence above supports which hypothesis

D) the earth was hit by an one or more objects from space 65 million years ago

11. Which event will have the greatest impact on sea levels?

D) the end of ice age

4. Although scientific theories vary, it is believed that____ caused the Permian mass extinction

D) the start of glaciation and climatic changes

15. Which events caused the formation of most islands in the South Pacific

D) volcanoes

8. A tsunami can lead to massive devastation on earth.

Earthquake in the ocean