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.
A: Geography is considered a science because it uses the scientific method and upholds scientific principles and logic. Inventions such as the compass, geographic information systems, global positioning systems and remote sensing would not have been possible without geography.