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:
maria fue de compras al centro mas 1 of 1 para gastar lo menos posible.
Explanation:
ella fue por que esta ahora ahorrando para comprar ( la cosa nueva, interes)
<span>Because when a force is applied to an odgeto that is on the table it first displaces and then stops???? Was that to translate to English?
</span>
