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:
The little boy is really cobo when around people
Answer:
it says : visit the following link to learn some Recepise pick one of 15,20,30 minutes it has to include chicken you are preparing the Recepise for a friend and she/ he "asks" you how you prepared it, explain in your own words how you did it use full sentences.
The answer is for the first one is Somos
And the second one is Esta
