I don't know who it was named for but the law is
P1/T1 = P2/T2
Make sure the pressure units are the same (atmospheres or kPa usually) and that the temperature is in Degrees Kelvin which is derived from Celsius degrees.
Try Charles' Law for the name.
Convection is the up and down movement of heat. Usually air, but convection also occurs in the ocean.
Answer: The answer is bacteria. The correct answer is The letter B or the seconed one!