1) Why is AEROBIC training good for you?

Aerobic exercise is recommended by the American Heart Association and by most doctors to people with, or at risk for, heart disease. That’s because exercise strengthens your heart and helps it more efficiently pump blood throughout the body.

Explanation:

what are the options

for me i have felt invisible when i was clearly struggling,or,i made a great achievement ,and,nobody took to notice me either because they just didn't see it,or,people just turned their back on me.i can see a person being invisible by choice,or,without choice like i did.the people who are invisible by choice don't try to talk to people,don't try to make friends,and,keep to themselves.i haven't been one of those people so i couldn't give you a reason.

hope this and can i get bainliest my dude : d