Concrete and cement are not interchangeable terms. Cement is the dry powdered substance that is mixed with sand, gravel and water to create concrete. The gravel component in concrete is sometimes referred to as crushed rock or aggregate. Mixing sand, gravel, water and cement in the right proportion is essential to producing durable, high-quality concrete.
Know the numbers. In order to lose one pound, you will need to burn 3,500 more calories than you consume in a day. How many calories you burn in a given day just by existing will depend on your current weight and level of physical activity. You can calculate this by multiplying your weight by ten.
To lose a pound of fat a person needs to âburnâ 3500 calories of fat. To lose one pound a week you need to burn 500 calories more than you consume (500 calories time seven days= 3500 calories). This can be accomplished through an increase in exercise, a decrease in calories eaten, or a combo of the two.