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:
Answer:
Observe and write. Look at the picture and describe what you see and its location
Explanation:
Observa y escribe. Look at the picture and describe what you see and its location.
What does the poem say ? I can’t answer the question without seeing the poem .
Answer:the sun went bye bye
Explanation: look at answer
Answer:
1. el platano
2. el gazpacho
3. un chef. por la creatividad de el
