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."
Answer:
The process of making food by green plants by using sunlight, carbon dioxide,water and minerals...
Answer: D. Earlier, Rick had seemed uninterested; today, he looked downright enthusiastic.
Explanation: It's a continuation of the sae subject so you use ; (semi-colons).
Third person, a lot use this perspective so you can see what every character is doing.