To simplify what is really a very complicated series of influences, you could say that in general the side of the Earth facing the Moon feels its gravity the most--because the strength of gravity decreases the farther away you get from its source--so water on Earth bulges towards the Moon, creating a high tide.
Meat may stay in the intestines for 24-72 hours and still depend on its type. Likewise, red meat in particular takes 1-3 days to complete the digestion process because of fat content and high protein, according to Lisa Cicciarello Andrews of University of Cincinnati.or the food that already clears the small intestine and goes to large intestine or the colon to prepare the process of elimination, the approximate time could be 30-40 hours for food to pass through and eliminated from the body. Digestion Rate of Various Meats.
Cotinine is the primary metabolite of nicotine. Nicotine leaves the body in a few hours, but cotinine has a longer half-life, and is usually present for up to a week. Cotinine has a half-life of 16 hours, meaning that half of all the trace leaves your body every 16 hours, or so. If you're a light smoker, most of it should be gone in 48 hours, depending on how much you smoke, but most tests will pick up trace amounts, especially in the mouth swab.