A chemist tests new mixtures for paint samples and decides one mixture's stickiness makes it worthless. A scientist working in a nearby lab suggests a different use for this sticky mixture. Which statement best describes this situation? (2 points) Combining different types of scientists' comments always leads to new discoveries. Only scientists who are directly involved in an investigation should comment on the results. Other scientists' comments made during an investigation can be a useful source of new ideas. Too many comments made by scientists about the work of others can interfere with progress.