A food for all seasons. Breadfruit is a good staple food that can be easily preserved and eaten all year round. Many Island people use breadfruit only when it is in season. Much breadfruit is therefore wasted because a great deal of this food is available only at one time and because few preservation methods are being used.
Re-jigger the arrangement, and â presto! â the atoms form diamond, one of the hardest materials in the world. Carbon is also the key ingredient for most life on Earth; the pigment that made the first tattoos; and the basis for technological marvels such as graphene, which is a material stronger than steel and more
The second most common gas is oxygen, which makes up 20 to 21 percent of the atmosphere by volume. Other gases are present in much lower proportions, with argon making up around 1 percent and carbon dioxide around 0.5 percent. Trace amounts of hydrogen, ozone, water vapor and noble gases such as helium and neon are also present.