family of quartz, that predominantly contains iron and other minerals within its composition. amethyst is believed to comprise of meditative and calming properties which boost physical, emotional, and spiritual health. it is also considered one of the most expensive crystals of ancient times and still...
alternative energy batteries & accumulators electric power energy company reports nuclear power smart grid thermal power metallurgy alkali metals ferrous metallurgy metal alloys metal products metals & mining company reports non-ferrous metallurgy precious metals rare-earth metals uranous metals (actinoid) mineral...
business processes keywords for better understanding the mineral resources business technology development business overview mineral resources-poor japan is mostly dependent on other countries for copper and other nonferrous metals. copper is a metal resource indispensable to modern society. yet for...
. artificial photosynthesis means combining chemical and biological steps so that energy can be used to produce viable chemicals from co and water. plants use natural photosynthesis in a similar way: chlorophyll, enzymes and sunlight are used to synthesize glucose—a vital, energy-rich nutrient. an other...
(there are also factors that are linked to a lower risk of cancer. these are sometimes called protective risk factors, or just protective factors.) cancer risk factors include exposure to chemicals or othersubstances, as well as certain behaviors. they also include things people cannot control, like...