The extremely cold temperatures in the polar region of moon mean that it can act as a kind of __________ where things do not undergo much change.
- A. Time capsule
- B. Light capsule
- C. Meta capsule
- D. Natural capsule
Explanation
The permanently shadowed lunar polar regions are described as a natural time capsule because their extreme cold greatly slows chemical and physical change. This allows ancient ice and trapped materials to remain preserved.