Scientists Get Ready To Explore A 425-Foot-Deep "Blue Hole" Off Florida's Gulf Coast
언어
읽기 수준
기사 듣기
Scattered across the ocean bed, and often hidden from the human eye, are hundreds, or perhaps even thousands, of "blue holes." The massive underwater sinkholes, which host a diverse biological community — ranging from coral to sponges to sharks to sea turtles — were formed thousands of years ago when groundwater dissolved karst, a type of porous limestone rock found on ocean floors.
이 기사의 나머지 부분을 읽고 학습 도구에 액세스하려면 등록해야합니다.
지금 학습 시작하기댓글 243개
ciiciiipizza6년 이하That is so COOL...but terrifying...like who knows what is down there...?!!
imsome16년 이하I wonder if there could be any animals down there
wanmeideta6년 이하wow it's so pretty and so old.
zella6년 이하12,000 Years ago?!
cat45916년 이하looks scary down there. like if you think it's scary down there
wintermidnight6년 이하I feel bad for the diver's it looks scary down there :(
ava123456년 이하cool
fish_are_cute6년 이하I would love to find a kind o' fish down dare.
robloxmaster6년 이하I love to swim...but...I could not do that
poodledoodle6년 이하Wow...but that is kind of scary!