Question 5 of 10
Many people enjoy seeing the leaves of trees change color
in autumn. Suppose you want to investigate what causes
these color changes.
Which statement represents a valid hypothesis about color changes in
leaves?
A. Leaves of trees in higher latitudes have better color changes than
those in lower latitudes.
B. How do temperature changes affect the colors of leaves in the
autumn?
C. If trees are exposed to reduced hours of sunlight, the presence of
nongreen leaf colors will increase.
D. If the leaves of a tree turn dark red, then the tree will look more
beautiful.