Max heart rate is calculated with the equation 220-age so 220-20 is 200
There is RRMS SPMS PPMS and PRMS the least common is PRMS
The best answer from the choices given would be option A. The luminol test is capable of detecting bloodstains diluted up to 100,000 times. However, the correct value here is 300,000. The luminol test can still read up to that value. Luminol test has found some great application in crime scene investigations. It is able to find traces of blood even if someone has cleaned or removed stains.
