Answer: I cant say that you would loose a total of 30 lbs in a matter of 4 weeks, but low-carb diets, when done correctly provide a healthy weight loss. Typically the first week people loose 5-10 lbs from water weight and then slowly loose from there, depending on what your intake is like. If you arent sure how to do a low carb diet, Atkins is a more extreme form of it and can give you and idea of what your body is doing to loose that weight.
Answer: We must first know the heat of fusion of water, which is the required energy to melt a given quantity of ice. For water, this is 334 J/g. 334 Joules have to be applied to one gram of 32°F ice to melt it, so 334 Joules have to be taken out of one gram of 32°F water to freeze it.
10 pounds is 4,535.9237 grams, so (4,535.9237) * 334 gives us 1,514,998.52, the amount of energy in Joules that has to be removed from 10 pounds of water to freeze it.
Answer: In your first month of being pregnant if your 89 pounds and 125 pounds probably like 2 or 3 pounds depending on the person is like my cousin when she was pregnant she lost 20 pounds during hers maybe you will to.