Question

which statement best describes comparative and descriptive investigations? they both use independent and dependent variables. they both require a specified control group. they both include a hypothesis. they both include a question, procedure and conclusion.

Explanation:

Comparative and descriptive investigations often involve a question to guide the study, a set - of procedures to follow, and a conclusion to draw based on the data. While they may or may not have a hypothesis, and not all have a specified control group or use independent and dependent variables in the same way as experimental investigations.

Answer:

They both include a question, procedure and conclusion.