Some can others can't but most probablt will
The answer to your question is D.
A. Many people are able to lose weight with the diet.
When it comes to losing weight it has to do more with your diet(what your eating). "70% on the kitchen and 30% in the gym"
crunches and planks don't burn a lot but you would get muscle in your core.
do things like cardio (running, swimming, biking) that burns a lot of calories
Usually during early teenage years
