Why is the teen in the extract having low self-esteem issue​

Which car has the most kinetic energy? a. a car of mass 1000 kg with a speed of 3 m/s b. a car of mass 2000 kg with speed 7 m/s c. a car of mass 1000 kg with speed 7 m/s d. a car of mass 2000 kg with speed 3 m/s

Which compound is held together by the electrostatic force between two ions? a. co2 b. cci4 c. h2s d. mgf2

70 give a real life example showing how sensory neurons work with the motor neurons