Answer:
A pedometer is a device that is used to measure the estimated distance traveled by foot through recording the number of steps made. A pedometer has benefited people at high risk for type 2 diabetes, because these people are believed to have a sedentary lifestyle and that they are encouraged to do exercise more often. And with the use of this device, they can track how much activity they get and if they need more.
Answer:
packaging refers to a type of food processing to improve a food's shelf life, whereas food preservation helps prevent food decay and contamination.
Answer : B
Explanation: the second choice
Its used for protection against airborne with ones who are confirmed and or thought to be infectious. Its for there safety:)