.gov is the current domain extension type used by most United States government or government supported sources. You can trust these sources to be, if not accurate, then at least backed by the majority of the US population and governing power as the most commonly perceived knowledge in that sector.
Explanation:
I think that teens vape because of social media, Social medical has been proven to trigger anxiety or depression, On social media they not only see other people vaping without warnings, They also may vape to cope, Something that can be done to help is taking down pictures or videos of young adults vaping and showing the long term effects
1000 calories, as 1 calorie is the energy needed to raise 1g of water by 1 degree at normal atmospheric pressure.
3 Positive reinforcement is most effective when it occurs immediately after the behavior. Reinforcement should be presented enthusiastically and should occur frequently. Deliver reinforcement quickly: A shorter time between a behavior and positive reinforcement makes a stronger connection between the two
Answer: A.
increase the size of the muscle cells and the amount of blood that is delivered to the muscle
Explanation:
Increasing the size of the muscle cells and the amount of blood that is delivered to the muscle is important when it comes to muscular endurance.
The greater muscular endurance is the higher number of exercises that are including muscle effort against a force for a particular period of time.
High muscle endurance is helpful to the human body and immunity.