홈 > Term: age of earth
age of earth
4. 55 billion years. Formed by particles of gas and denser materials once ejected from exploding supernovae and gradually pulled together by gravity.
- 품사: noun
- 분야/도메인: 생물
- 카테고리: 생태학
- Company: Terrapsych.com
0
작성자
- Surus
-
(Gold) 1192 포인트 - 3.03% positive feedback
