The second issue of Food Security is now published, and is free online. It documents some of the multiple causes of food insecurity.
Helium can be found in underground deposits in the earth. Helium can also be found in stars and other planets. The helium underground - and extracted from natural-gas - is a by-product of the natural radioactive decay of uranium, though is far too stable to be radioactive itself. It also occurs in very small amounts in the atmosphere.
helium can be used for many different things. It can be used for advertising purposes, recreation, purge systems, and low-temperature cooling systems. Objects that float in â¦ the air, such as balloons, blimps, Other uses of helium include: - being a protective shield while growing silicon and germanium crystals.