<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>
Answer:
Perceptual region
Explanation:
A perceptual or vernacular region is defined by feelings and prejudices that may or may not be true I believe:)
Hmm it has to be a ecothermal interalodge
It would be b brainliest plz
