Answer: virus are nun living virus do not have all the characteristics of living organisms they are not made of cells do not use in and obtain energy they do not respond to the environment.
Explanation:
Speed is an expression of how fast an object moves. An object's speed is the rate of the total distance it travels in a certain amount of time. Units of speed include miles per hour (mph), centimeters per second (cm/sec or cm/s), meters per second (m/sec or m/s), or kilometers per hour (kph or km/hr)
