It dependends on what type of fat and what age you are.
Your body needs SOME fat, or you could really get sick. Your cells need it to function. Although, too much is not good for your body, so NEVER eat too much. ---- Fat contains energy. You need energy to perform daily functions. Without it you won't be able to do much of anything. Too much fat is bad though and will get you to obesity.
you know how much body fat you have my sucking a dick.
People need fat to cushion their inner body's important organs and for inciliation reasons. But too much fat is not good.
nothing, your body doesnt need carbohydrates as much as protein,fat etc..
humans do need some fat in there body because if they didnt have any fat in there body they would be incredibly to thin
when a person takes more nutreints than the body can ur body stores it until the body need them. if u eat too much the nutreint turns into fat cuz ur body can't store that much nutrients in the liver+muscles.
If in excess beyond body need for fat it will be
Online Body Fat calcuator or fat calipers.
Lifting dumbells in itself will not burn much fat. You need to have a programme of excercise. Go to a website for advice. Burning fat and gaining muscle need a structured excercise routine with the correct diet.
How much you need to eat (i.e. how many calories you need) is depended on height, weight, age and how much "stuff" you do in a day. However 'weight' (i.e. bodyfat) depends on how much you actually eat, relative to what you need to eat. So body fat is slightly dependent on height and weight, but not directly.
12-8 percent body fat
As far as fat in the diet, that depends upon the individual, because fat has important metabolic properties. For the determination of body fat, it varies by gender and body build. (see one aspect at the related link)