Answer:
Los números racionales son aquellos que pueden representarse como cociente de dos números enteros. Es decir, los podemos representar mediante una fracción a/b, donde a y b son números enteros y además b es distinto de cero.
the answer will be "tú eres de Miami" because "eres" means are, so it will be like saying you are from Miami. To use "estás" makes no sense since it would be like saying you are Miami.
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:
