Refer to the figure.

- The figure shows the relationship between the trunk diameter and the leaf mass of ponderosa pine trees from both moist and desert climates. According to the figure, a tree in a desert climate with a trunk diameter of about 40 cm would have about the same leaf mass as a tree in a cool, moist climate whose trunk diameter is about _______ cm.

Question

Refer to the figure.
Refer to the figure. - The figure shows the relationship between the trunk diameter and the leaf mass of ponderosa pine trees from both moist and desert climates. According to the figure, a tree in a desert climate with a trunk diameter of about 40 cm would have about the same leaf mass as a tree in a cool, moist climate whose trunk diameter is about _______ cm. A) 10 B) 20 C) 30 D) 40

Refer to the figure. - The figure shows the relationship between the trunk diameter and the leaf mass of ponderosa pine trees from both moist and desert climates. According to the figure, a tree in a desert climate with a trunk diameter of about 40 cm would have about the same leaf mass as a tree in a cool, moist climate whose trunk diameter is about _______ cm. A) 10 B) 20 C) 30 D) 40

- The figure shows the relationship between the trunk diameter and the leaf mass of ponderosa pine trees from both moist and desert climates. According to the figure, a tree in a desert climate with a trunk diameter of about 40 cm would have about the same leaf mass as a tree in a cool, moist climate whose trunk diameter is about _______ cm.