Answer:
May be this can help
But we've never been to the planet's core. We haven't even come close. The central point of the Earth is over 6,000km down, and even the outermost part of the core is nearly 3,000 km below our feet.Aug 13, 2015
<span>They exhibit all the stages when its the presence of oxygen only.</span>
Answer: Sustainable
Explanation:
Once a product can serve the present moment and remain useful for an indefinite period without polluting the environment, or getting reduced in value, it can be said to be SUSTAINABLE.
Organisms with hard parts such as a shell,or bones are much more likely to become fossilized than animals with soft parts like a worms.
