Answer:
Both are correct
Explanation:
Not all are flowers in the path of engine progress and development. There is a phenomenon that haunts technicians since the beginning of engine development and, it seems, will always be present in the lives of those who work with the engines, this phenomenon is called abnormal combustion, also known as spark knock, ping, and detonation.
During abnormal combustion the increase in temperature and pressure within the combustion chamber which can cause serious engine damage.
Hydrophilic means "water-loving," which means that hydrophilic molecules readily associate with polar molecules such as water.
Theories explain phenomena, whilst laws are generalizations which characterize them.
Http://www.phschool.com/science/biology_place/biocoach/bioprop/folding.html hope it helpps
Answer:
Could probably find it in Google.
