The correct answer is organ system level of organization.
Answer:
The unit cell's edge length is 
Explanation:
Number of atom in BCC unit cell = Z = 2
Density of barium metal= 
Edge length of cubic unit cell= a = ?
Atomic mass of Ba(M) = 137.33 g/mol
Formula used :

where,
= density
Z = number of atom in unit cell
M = atomic mass
= Avogadro's number
a = edge length of unit cell
On substituting all the given values , we will get the value of 'a'.


The unit cell's edge length is 
Answer:
D it got this because im awesome
Explanation:
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1 is3
2 is D
3 is B
i hope this helps you
What I think will happen as time goes by and right this second is that the earth is just going to fill and fill and fill with pollution