Answer:
The crusades created standardized methods of taxation and increased European trade.
Answer: Green Driving (also known as Eco-Driving and Smart Driving) is a series of efficient driving practices that include avoiding unnecessary idling. Green driving is relatively new to the United States. In Europe, and other countries where fuel prices are two to three times higher, it has for years been a well-established practice, as it can save motorists significant sums of money annually. Green driving also reduces climate change producing carbon emissions, conserves energy, improves air quality, and even makes you a safer driver. Answer should be A.
- Martiinez <3
I’m pretty sure the correct answer is C
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.