Answer:
The SI unit of pressure is Pascal (represented as Pa) which is equal to one newton per square metre (N/m -2 or kg m -1 s -2). Interestingly, this name was given in 1971. Before that pressure in SI was measured in newtons per square metre.
Answer:
Option D is correct : They were both sung in the language of the audience.
The answer is A, Villa Rotunda by Palladio.
