I think it’s B,C,A sorry if it’s wrong
<span>It's is the second one. The waste materials generated by one organism are often reused by other organisms.Mass, or matter, is conserved in all physical and chemical changes. Matter is not created or destroyed within ecosystems, it only undergoes physical or chemical changes. One example of this process is that the waste materials generated by one organism are often reused by other organisms as food or nutrients.</span>
It's Pyrite also known as "fools gold" because of it's color being a brassy gold.
China
India
Vietnam
Albania
Papua new guinea
Micronesia
