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.
Amount of Calories Burned to Lose a Pound of Fat. 3500 calories is the rough estimate for the energy contained in one pound of fat! This means that to lose one pound per week, you must create a deficit of 3500 calories per week. Since a week is 7 days, that means a deficit of 3500 / 7 = 500 calories per day. This is a great starting point.