Which two criteria are least important for engineers to consider when developing a process to produce ammonia?
O A. The process should use familiar technologies.
B. The reactants should come from natural sources.
C. The process should be able to be performed safely.
D. The environment around the chemical plant should be protected.

C=59(f−32)the equation above shows how temperature f, measured in degrees fahrenheit, relates to a temperature c, measured in degrees celsius. based on the equation, which of the following must be true? a temperature increase of 1 degree fahrenheit is equivalent to a temperature increase of 59 degree celsius.a temperature increase of 1 degree celsius is equivalent to a temperature increase of 1.8 degrees fahrenheit.a temperature increase of 59 degree fahrenheit is equivalent to a temperature increase of 1 degree celsius.a) i onlyb) ii onlyc) iii onlyd) i and ii only