Answer:
Start recycling, walk or bike instead of drive, print as little as necessary, turn off the lights whenever you leave the room, use paper bags instead of plastic bags
Potential trouble with the law, or social issues like losing your friends.
To keep from losing gains in fitness, it is necessary to maintain intensity levels. True.
Cardiovascular fitness exercises strengthen the heart and lungs.
Cardiovascular exercises basically consist of activities that will get your heart rate up. Doing so, it will strengthen your heart along with your lungs due to the increase of your heart rate.