Subcategories include very low birth weight (VLBW), which is less than 1500 g (3 pounds 5 ounces), and extremely low birth weight (ELBW), which is less than 1000 g (2 pounds 3 ounces). Normal weight at term delivery is 2500â4200 g (5 pounds 8 ounces â 9 pounds 4 ounces).
How do you define beauty? What are the factors that govern whether or not you find someone physically attractive? This question has plagued philosophers and artists for millennia. And now, modern scientists think they're close to finding that magical formula for physical beauty. Aside from the obvious cues,--youthfulness, smooth skin, bright eyes--it pretty much all comes down to math.
because on the moon the force of gravity is much weaker than on earth. mass. a measure of how much matter is in an object. Why do scientists rely on mass rather than weight as the measurement of how much matter an object contains. because mass doesn't changed based on location and scientists rely on a property that is constant no matter where the object may be.