Which of the following is a scientific question the student might ask?

O

A. Is it ethical to keep invertebrates in a plastic bottle?

O

B. Why do people recycle plastic bottles?

O

c. How does sunlight affect a model of a biogeochemical cycle?

O

D. How beautiful are the plants in my model?

The correct option is C) How does sunlight affect a model of a biogeochemical cycle?

Explanation:

A scientific question can be described as a question based on which a hypothesis can be made and observations and experiments can be performed. The results from these experiments and observations would account for the validation of a hypothesis. Hence, a scientific question should be a question based on which a hypothesis can be made and experiments can be performed.

In the option C, the sunlight might increase or decrease various processes of the biogeochemical cycle. We can hypothesize and perform experiments to get the results. Hence, it is a scientific question.