Precious metals are rare, naturally occurring metallic chemical elements. They tend to be less reactive than most elements, are usually ductile and have a high lustre. Precious metals have high economic value. Examples are: gold,silver and platinum. Gems on the other hand are minerals or rocks that can be cut, shaped, and polished into beautiful stones. Examples include emerald, ruby and sapphire.
Both precious metals and gems are rare and valuable.
<span>Confidence votes 3.1K. Sustainable logging means logging an area in such a way as there is always trees to be cut. In other words, logging in a way that leaves young trees, medium age trees and mature trees behind each time you log, so that you can always log that area in the future.</span>
Answer:
The sun is a star. This makes it extremely important for life on Earth. The sun provides us with energy, which brings life on our planet. It defines the seasons, the harvests, and even the sleep patterns of all living creatures on Earth.
Explanation:
Reasons for studying the Sun stretch far out into space aswell. It is our nearest star and its proximity provides heat and light to maintain life on Earth, as well as being a unique laboratory to test our theories of the evolution of other stars and the formation of galaxies.
Mexico’s geography’s most prominent features are the
mountains. The country features lots of mountain ranges, not just individual
mountains. There is the Trans-Mexican Volcanic Belt, Sierra de Istatan, Sierra
Madre Oriental, Sierra Madre del Sur, Sierra Madre Occidental, and Sierra de
San Pedro Mártir. Some of these mountain ranges feature ultra-prominent summits
or peaks at least 1,500 meters high.
Answer:
The short-term benefits of clearing rainforest areas include: land for agriculture, houses and roads. jobs for local workers in road building, logging, agriculture, mining and construction. the generation of income (often in valuable foreign currency) for the LEDC when wood, minerals, and other resources are sold.The rainforest provides many resources to support economic development. If it is not available for future generations then this development will be limited; Tropical rainforests help reduce global warming through CO2 being absorbed.
Explanation:
