KidSafe Play
Quản lý con 👶
Ngôn ngữ
EN VI
Đăng nhập
Tiny plants in the ocean make a large part of the oxygen we breathe.

Tiny plants in the ocean make a large part of the oxygen we breathe.

Microscopic ocean plants called phytoplankton produce roughly half of the world's oxygen through photosynthesis — so the sea, not just forests, helps power every breath you take.

🌳 Tất cả điều thú vị về Nước trong thiên nhiên →

Thêm điều thú vị về Nước trong thiên nhiên

Most of the Earth is covered by water. Most of the Earth is covered by water. Rain comes from water that rises into clouds and falls back down. Rain comes from water that rises into clouds and falls back down. Rivers flow downhill until they reach the sea. Rivers flow downhill until they reach the sea. Ocean water tastes salty, but rain and rivers are fresh. Ocean water tastes salty, but rain and rivers are fresh. Ice is simply water that has frozen hard and cold. Ice is simply water that has frozen hard and cold.