<span>the question like this is called assumptions, but the assumptions have to be proved by experiments and prove to be the best, but generally in science, theories might change from time to time, so in science, it is necessary to prove the hypothesis, not just by putting up the theories.
hope this helps </span>
Answer:
1. por
2. por
3. para
4. por
5.para
6. por
7. por
Explanation:
This one is pretty easy since it makes most since to use "por" on most of them
Answer:
That is Verdadero which means true :D
The answer is: ellos empezaron a trabajar
