Which of the following statements correctly compares an alpine ecosystem to a tundra ecosystem? (1 point)
a
They are both found in the northeastern United States. However, tundra receives more rainfall than alpine ecosystems.
b
They are both found in mountain regions of the United States. However, tundra has more trees than alpine ecosystems.
c
They both have arid conditions. However, tundra is found in the southwestern United States and alpine ecosystems are found in the northeastern United States.
d
They both have cold, severe conditions. However, tundra is found in the northernmost region of the United States and alpine ecosystems are found in mountain regions.
