Answer: His room was as black as pitch with the thick darkness
In this sentence convention would mean a way in which something is usually done
Answer:
It is a theory because it was developed with many new experiments, and it explained the observations.
Explanation:
A scientific theory is a term in science that serves as a description and explanation to the manifestation of occurrence of events. It involves fully assessed justification for a set of observations or empirical findings.
Hence, in this case, the correct answer is: "It is a theory because it was developed with many new experiments, and it explained the observations."
A. main ideas and B. all ideas
Look up Porter v. McCollum
Hope this helps!