Answer:
Wait im gonna tell u the answer.hold up
Explanation:
Positive re. — he gets a reward for doing something correctly.
Answer:
what grade are you in? um............
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.
Sure man would love to talk
