Why do climbers leave their trash on the mountain? A. Special groups will pick it up. B. The wind will blow it away. C. They don’t have the energy to take it away. D. Other climbers will
Why do climbers leave their trash on the mountain?
A. Special groups will pick it up.
B. The wind will blow it away.
C. They don’t have the energy to take it away.
D. Other climbers will use it later.