A group of tissue that work together is a organ
I'm not sure what you mean by this but here is a diagram of a nephron!! Hope this helps?
14. compound
15. the concentration cannot be increased.
16. heterogenous mixtures
17. chocolate chip cookies
18. vegetable soup
19. a mixture is a pure substance a compound is not
20. Tastes sour
Apparent magnitude : How bright a star appears to be
Absolute magnitude : How bright the star actually is
I think the answer is : A. close to earth
The stars only seems to be bright because its radiated from a close distance
hope this helps
From all of the things to choose the one that isnt negative in its way is B. releases carbon
