The key personal decisions that can influence your personal safety while exercising are a. making sure to replace lost fluids before, during, and after exercise b. preparing for exercise in extreme temperatures c. choosing when, where, and how to exercise d. all of the above

Explanation:

Personal safety is influenced by our decisions before, during and after exercising.

The replacement of fluids is a constant decision you have to make, because vitamins, minerals and electrolytes are lost though sweat, which helps to cool down the body. Also, we need to prepare to work in a high temperature mode, because when we exercise, our body will increase the temperature, and we need to be prepare for that with water, to not overheat the body.

At last, choosing when, where and how to exercise is crucial, because we need to adapt to the environment, that way we'll be able to prepare everything, temperature, intensity and all variables related with exercising.

So, when we are going to exercise, we need to take several decisions that ensure our safety, preventing basic injuries that can happen if we don't take care.

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