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.
Answer:
Coby Brayan 25,000 con puntos 3.7 promedio
Where’s the pic to question
Answer:
Schools maintain that, “a little rest during an otherwise packed school day helps students face mounting pressure to get into college.” Students enter the EnergyPod, set an alarm for a short period of time and get one of those reinvigorating daytime cat naps that researchers say have multiple health benefits.
whole article about it:
https://grownandflown.com/naps-high-school/
Answer:
Not only was Africa a center for the growth of extremely useful plants like rubber and spices, it was also geologically fit in the circulation of economic activity through Oceanic and land based trade routes.
Explanation:
