Scientists think that algae first evolved approximately 2.7 billion years ago, and soon after this oxygen began to exist in the atmosphere. Photosynthesis by primitive plants and algae released oxygen, which gradually built up in the atmosphere.
Explanation:
There is no question, what their asking for please
They probably want you to make an investigation
I believe is . En argenta las personas se reúnen cada tarde para tomar el te.
I say yes because people in Argentina drink tea all the time. It’s one of the most famous drinks there.
Good luck
