What is the Symbol of Oxygen?
O
is there Oxygen in the Air? How much?
Yes, 21%
Is Oxygen Visible or Invisible? Is it a Solid, Liquid or a Gas?
Invisible, It is a Gas
Do all the Oxygen we breathe come from Trees?
No, only 20%. Rest comes from Ocean Plants called Phytoplankton
How do Phytoplankton give out Oxygen?
They take in Sunlight, Water and Carbon Dioxide and turn it into Energy through a process called Photosynthesis
How much Oxygen in the Air is given out by them?
50%
Can Phytoplankton be seen with the Naked Eye?
No, they are too small to be seen with the naked eye
Sometimes we can see Phytoplankton. How can we see it?
Sometimes we see it on the surface of the water as Green Patches
When was Oxygen Created on Earth, and How?
Millions of years ago, tiny creatures called Blue Algae released Oxygen through Photosynthesis
Which State of matter is Oxygen?
Gas
