It has about one-third the density and stiffness of steel; it is ductile and can be easily machined. Naturally, pure aluminum reacts readily with oxygen in air creating a thin barrier oxide layer known as the aluminum oxide next to the metal surface that is about 2-3 nanometers thick.
Orange skin resulting from excessive carrot consumption sounds like something out of a science fiction novel or a bizarre comedy. However, the fact is that yellow skin pigmentation resulting from increased beta-carotene levels in the blood is a real clinical condition called carotenemia. Though carotenemia is harmless, it's easy to confuse with jaundice in young children.
The sugar in oranges is high, so you might want to start eating apples and grapefruit instead (at least in alternation). Grapefruit has a lot less citric acid and significantly less sugar than its cousin the orange. Red apples (of several kinds) also promote weight loss and keep your whole digestive tract cleaner. have found that eating Oranges is helping keep too many pounds off, but am concerned that all this Citric acid and/or vitamin C is bad for me.....I am eating anywhere from 4 or 5 up to 10 or 12 a day. Any suitably... show more I have given up smoking for about 6 months now, and am fighting not to put weight on.