Take a raw carrot, and hold it to a blank flame. Nothing abundant happens except some charring and dangerous smell.
Place some liquid fat (oils) in an exceedingly shallow dish ready with a wick. bit a match to the saturated wick, and observe the warmth and light-weight that results. this can be one in all the oldest types of light famed to group.
Take some solid fat, meat trimmings or animal oil, or left over fat globules from meat dishes. A match may be ample to start out a flame, or alittle a lot of heat may well be required.
Take some sugar and treat because the solid fat. Preheating may be required, or begin with chemical igniter or acid, however you'll be able to find yourself with a nasty smelling carbon sponge.
Mix sugar with saltpeter ("saltpeter", a supply of oxygen) and sulfur within the right proportions and you'll be able to build a weak variety of gun powder.
Place some alcohol of a minimum of fifty p.c concentration (also referred to as "100 proof") in an exceedingly shallow disk, with or while not a wick. A match is enough to start out a bright flame.
All these examples, except the carrot, area unit high energy foods. Consume over you wish and your weight can increase. prohibit them and you've got an opportunity of losing weight.
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