D. Estos
I think because there is no underlined word
<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>
Se
<span>Salt is usually added before boiling.
</span>
The answer is Llueva which is the first one!