C.
The door is made of glass, which is an example of non-porous surface.
Ninhydrin is one of the most widely used reagents for chemical development of fingerprints on porous surfaces.
The correct answer would be C. Hope this helps.
True. How do you apply information from the book into the tests? Books don't give the answers merely provide a foundation you must build upon.
Answer:

..............................................
Answer should be positive 1 2/3
You can check the picture for the steps
Answer:
Divergent thinking
Explanation:
divergent thinking is using a cognitive process (a mode of critical thinking) that generates many unique, creative responses to a single question or problem.