Work and study hard, don't worry about anything else except for natural needs, don't study all night because it wouldn't be easier, you need your sleep too. And just try to do your best. My step mom is said something about having to go back to a school for nursing and stuff, it isn't a college, its more of a VoTech school for all kinds of things. I hope I helped
Answer:
I don't know I may be wrong but I think its the last option.
Explanation:
The answer is "the ice-caps" from the north and south pole.
The biosphere covers basically every place on Earth where life exists. So, plants and animals, as well as microorganisms are part of the biosphere. Bio means life.
The SI unit for speed is meter per second (m/s). Speed can be calculated by the formula: speed = distance/time.