冷知识

in gold •  6 years ago  (edited)

海水总含金量=13.35亿吨;按现价每吨3.9千万美元计,总值大约5.2亿亿美元
地壳总含金量=1220亿吨;总值大约475.8亿亿美元

Authors get paid when people like you upvote their post.
If you enjoyed what you read here, create your account today and start earning FREE STEEM!
Sort Order:  

Congratulations @mynlm! You received a personal award!

Happy Birthday! - You are on the Steem blockchain for 1 year!

You can view your badges on your Steem Board and compare to others on the Steem Ranking

Do not miss the last post from @steemitboard:

Are you a DrugWars early adopter? Benvenuto in famiglia!
Vote for @Steemitboard as a witness to get one more award and increased upvotes!

Congratulations @mynlm! You received a personal award!

Happy Steem Birthday! - You are on the Steem blockchain for 2 years!

You can view your badges on your Steem Board and compare to others on the Steem Ranking

Do not miss the last post from @steemitboard:

Downvote challenge - Add up to 3 funny badges to your board
Vote for @Steemitboard as a witness to get one more award and increased upvotes!