I think the answer would be crystals. Sorry if wrong.
The most obvious reason for conservation is to protect wildlife and promote biodiversity. Protecting wildlife and preserving it for future generations also means that the animals we love don't become a distant memory. And we can maintain a healthy and functional ecosystem
<span>The metaphor of the invisible hand is meant to describe the ability of a free market to be able to balance itself out. Given the ability of the economic market to adjust for error, the invisible hand would seemingly claim that any inequalities would be ultimately balanced as a result of the invisible force.</span>