Is 68-72 cold or hot

When a source of light approaches an observer the light appears to be than it actually is? What is shearadizing? What is neutrilisation? What does pennon fair mean? How do you use law of interaction in our daily life activities? Does a ruler measure volume? Draw a labelled diagram of the apparatus you would use to show that a metal was a good conductor of electricity? Is your body temperature Celsius or Fahrenheit? If the length of a baseball bat is 110 centimeters what is the length in millimeters? How many feet would it be if it is 9 meters long? Is the term watts named after James Watt? How many liters are in 40 gallons? What describes a reason for making a prediction when doing controlled experiment? How do you use capable in sentence? What is a reasonable and educated guess based on what you know and observe? How long should the conclusion of an experiment be? What is .375 inch in mm? What is the scientific concept do the similarities illustrate? What are the advantages of cryonics? What was the name of Alfred Wagner theory?