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 answer would be a guys name as you did not insert a word box
Answer:
Lupe y Anita son organizadas y extrovertidas
Explanation:
son in English means are or they are ...in Spanish you use this word when referring to multiple people
La adquisición del lenguaje es el proceso mediante el cual los seres humanos adquieren la capacidad de percibir y comprender el lenguaje (en otras palabras, adquieren la capacidad de ser conscientes del lenguaje y comprenderlo), así como de producir y utilizar palabras y oraciones para comunicarse.
That should be it^