Geological evidence indicates there was once a warm tropical climate in what is now New York State. Other evidence shows that millions of years later, huge ice sheets covered the state. Which of the following statements can be concluded from the information above? (1) Climates of the future will always be as they are today.
(2) The size and shape of the oceans remain constant through time.
(3) Glaciers are limited to the polar regions.
(4) There have been considerable climatic fluctuations in the past.
(5) An ice age always follows a period of tropical climatic conditions.​