Answer:
1. El nacimiento.
2. La niñez.
3. La adolescencia.
4. La juventud.
5. La madurez.
6. La vejez.
Explanation:
In this task you should indicate the stages of life including the definite articles.
For example:
1. El nacimiento. (birth)
2. La niñez. (childhood)
3. La adolescencia. (teenage)
4. La juventud. (youth)
5. La madurez. (maturity)
6. La vejez. (old age)
With expressions such as 'es raro que' you need to use the subjunctive form of a verb which is slightly different than the present, indicative form. So, the 'normal' form of ir for third person plural would be van. However, we need the subjunctive form here, which is vayan.
This means that the correct answer is A. Vayan a la escuela los sabados.
The form ven doesn't exist.
A. English "d"
The pronunciation would be something like this: eladoe. Depending on your preference, you could use a very subtle "h" sound at the beginning.
Answer:
La zoología y la botánica son partes de la BIOLOGÍA.