The answer is definitely landslide I just took a test and got that answer correct
Answer: it is a plant-like organisms like algae
Explanation:
because it teaches their children wrong from right
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.