Me ayudan por favor respondo las preguntas
a-Como influye la humedad en la propagacion del resfriado comun
b-por que no es aconsejable tocarse la nariz, ojos frecuentemente
c-por que la influenza A y B son las mas peligrosas
d-por que la influenza C no causa tantos peligros
e-durante que tiempo una persona infectada transmite la influenza A (H1 N1) a otras personas.

You are traveling down the road and the hopd flies up- a. look out of the gap between hood and cowling b. look out the left window c. stop the car d. turn on your four-way flashers e. use stop signal given with arm 2. you are driving down a dark, country road and the headlights suddenly go out- pull off the side of the road and stop flash your break lights activate your four way flasher have scotty beam you up turn your parking lights on 3. you turn on a crowded street and the accelerator pedal sticks- turn ignition off shift to neutral apply the brakes reach down and pull pedal by hand use the of toe of your food to pull pedal up