The exosphere is the furthest out layer.
Hope this helps!
Arctic ocean has a little biodiversity as compared to the other oceans. It is completely covered with ice in winters and partly covered in other seasons. Due to very low temperature, the natural life is very limited in the ocean. Moreover, global warming is further damaging its ecosystem.
It would be completely false to say that the height of an object above sea level is its relief. The correct option among the two options given in the question is the second option.
Height of an object above sea level is mostly referred to as altitude. It is also sometimes referred to as elevation. This is very helpful in terms of geographical calculations.
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