Physical education - grade 9

can anyone me answer this physical education question soon as possible?

the measuring of intensity during cardiorespiratory activity is to see if you are working in your target heart rate range.

if in a couple of months, you are going at the same pace as you did today but you are then working below your target heart rate range - what do you need to do to get back in your target heart rate range?

Many dental offices prefer preset trays because the use of these trays or what

When lifting, where should you bend?

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