Answer:
volcanic eruption
Explanation:
its just not necessary :)
The answer is 8H2. the actual equation doesn't make sense
It's either species eat or populations evolve. Think about the food chain, about how it transfers energy through organisms.
Answer: A closed ecological system for an entire planet is called an ecosphere.
Explanation: A closed ecological system for an entire planet is called an ecosphere. Man-made closed ecological systems which were created to sustain human life include Biosphere 2, MELiSSA, and the BIOS-1, BIOS-2, and BIOS-3 projects.
