BiologyMr Khanna took his class for a field trip. While on the field trip, he showed his students a machine that is illustrated in the given figure. He added that this machine is used to perform two functions. What are the two functions performed by the given machine?
Mr Khanna took his class for a field trip. While on the field trip, he showed his students a machine that is illustrated in the given figure. He added that this machine is used to perform two functions. What are the two functions performed by the given machine?
