Day 278 of 365
October 5
🌍
Geography Deep Sea Exploration
The deep ocean is Earth's largest habitat and least explored. Only three people have reached the Mariana Trench's bottom. Deep-sea ecosystems exist in total darkness around hydrothermal vents. Many species are still undiscovered, and the deep sea could hide unexpected resources.
💡 Did you know?
We have better maps of Mars than of our own ocean floor!
Take Knowly with you
Get daily lessons, create your own, and build your personal wisdom library
Download for iOS