Explore Westonci.ca, the premier Q&A site that helps you find precise answers to your questions, no matter the topic. Explore a wealth of knowledge from professionals across various disciplines on our comprehensive Q&A platform. Get precise and detailed answers to your questions from a knowledgeable community of experts on our Q&A platform.

Which of the following CANNOT be determined by looking at the spectrum lines of an object in space?
A. What elements are inside an object B. The gravitational pull of an object C.Whether that object is moving away or towards our position
D. asWhether an object is hot and dense, hot and spread thin, or cold and near a hot object.​