let me give you some advice, friend.
look up boy scouts, then go to the news section.
then reconsider your summer pasttime.
Student readiness is a student's current level of knowledge, which affects their ability to complete a specific task at a given time. Teachers can determine readiness by giving regular screenings or assessments and can use that information to adjust teaching methods and activities.
Answer:
Internal can be you don't want bad things happening to your body, you don't want drugs affecting your health,etc.External could be you don't want it to affect your family or people around you.For example, like a cigarette if you are smoking in public you can be affecting others passing by or hanging out with you(external)but if it's just you by yourself smoking it is damaging your lungs(internal)
Answer: Cardio.
Explanation: Cardio is the exercise type that burns the most calories. Running, for example, is the top exercise of calorie-burn.