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:
¿Cómo eres?
Explanation: Nothing; just did very well in spanish. Como is an interrogative word and como eres is asking someone basically what they are like
It’s D
I learned Spanish a little while ago and still remember most of it
It’s sabe. Sabe means knows, and the question is she (knows) the alphabet.
