Answer:
A. The results of the experiment showed a quantifiable decrease in oxygen levels.
Explanation:
The chosen sentence possesses a formal register with technical vocabulary related to science, which can be understood by professional scientists. For instance, the words <em>quantifiable </em>and <em>decrease </em>have a more academic style. Besides, the writing is impersonal and written in the third person.
The rest of the options are incorrect because they have contractions and they are too informal. Thus, their vocabulary contain casual expressions which do not follow the conventions of an academic style.
Achilleus’s quest for revenge. The speech exposes Achilleus’s feelings of sadness.
Wait is it this Angelaaguillar girl?
A refutation or contradiction
I think the answer is When a solar flare erupts, it has the force of a hundred million hydrogen bombs. This is the answer because a bomb is dangerous and a solar flare is probably a type of fire thing cause by the sun so that makes the most sense and provides an example of a violent type of space weather.