19. 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.