Chemical waste discharged from an oil refinery.
Pesticide runoff after spraying crops on a rainy day.
Hazardous waste discharge from a treatment plant.
their liver is not working properly or lack of exercise
Fad diets are claimed to the loss of fat you lose but most times it's water weight you are losing.
The correct answer is A.
All of these signs would indicate substance abuse as they are all negative behaviors and would raise a red flag that something needs to be done to get him back to a healthy state and drug free. There are some signs in the other options that would indicate the same but not altogether as a whole.
The Overload Principle is focused on sports fitness training.
It states that athletes must work harder than they usually workout as their bodies adjust themselves to higher workouts.
To safely apply Overload to your workout you should monitor the intensity of training as you increase it gradually and progressively.
You should choose and plan over one type of workout to apply Overload on it.
All other training activities should be coordinated and adjusted preventing other factors that influence overloading in duration and volume of training.