How does regular exercise make us more alert and energetic?

You have weighed the likely outcomes of your decision to move in with your dad and have made a decision based on those outcomes what is an example of

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

Which of these are fast-acting compounds that attack ocygen-dependent tissues known to be particularly sensitive to these compounds? a.nerveb.vesicantsc.cyanide compoundsd.pulmonary