The mantle is a layer of hot compressed rock underneath the liquid outer core, which means that it is much hotter. It is heated by the inner core, and the magma rises upward towards the outer core. This eventually cools and sinks back down, only to be heated up again, and this goes on and on in a constant cycle.
The answer to your question is <span> It's a physical system that is not affected by any other system. They don't really exist, other than the universe.
You might incorrectly state that an object is space is isolated from everything else, and it does seem that way. It's still affected by gravitational fields, but negligibly.
However, you look at the universe which you define to be everything ever. There is nothing else that exists to interact with it, so it is an isolated system.</span>
The answer is D. Roots, Stems, Leaves. The water enters the plant from the soil through the root hair cells, travels up the stem to the leaves where photosynthesis takes place.
Hi there! Your answer will be: ureters.
It's a set of two small(8-10 inch) tubes.
Their purpose is to carry urine from the kidneys to the bladder.
Hope this helps! :)