Identify and describe layer B in the figure above.
pls help heres the pic

Your answer should have the same number or significant figures as a he starting measurement. 3201 ml =

16. why must the number of electrons lost equal the number of electrons gained in every redox reaction? use 3 – 4 sentences in your own words to address this question. 18. what type of radiation is emitted when chromium-51 decays into manganese-51? show the nuclear equation that leads you to this answer. 19. a radioactive nucleus alpha decays to yield a sodium-24 nucleus in 14.8 hours. what was the identity of the original nucleus? show the nuclear equation that leads you to this answer.

The biosphere of the earth is made up of what compound? organic or inorganic?