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Vadim26 [7]
3 years ago
5

The natural means by which filoviruses infect humans is __________.

Biology
1 answer:
grigory [225]3 years ago
4 0
<span>The means is unknown. Filoviruses are known for causing hemorrhagic fever in humans. However, once a human is infected, passing the virus from person-to-person is the means by which others become infected. Most especially is the transmission through infected bodily fluids or objects that have been unsterilized and come into contact with those fluids.</span>
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Barium metal has a body-centered cubic lattice with all atoms at lattice points; its density is 3.51 g/cm3. From these data and
stiks02 [169]

Answer:

The unit cell's edge length is 5.06\times 10^{-8} m

Explanation:

Number of atom in BCC unit cell = Z = 2

Density of barium metal= 3.51g/cm^3

Edge length of cubic unit cell= a  = ?

Atomic mass of Ba(M) = 137.33 g/mol

Formula used :  

\rho=\frac{Z\times M}{N_{A}\times a^{3}}

where,

= density

Z = number of atom in unit cell

M = atomic mass

(N_{A}) = Avogadro's number  

a = edge length of unit cell

On substituting all the given values , we will get the value of 'a'.

3.51 g/cm3=\frac{2\times 137.33g/mol}{6.022\times 10^{23} mol^{-1}\times (a)^{3}}

a = 5.06\times 10^{-8} m

The unit cell's edge length is 5.06\times 10^{-8} m

7 0
3 years ago
SOMEONE PLEASE HELP ME WITH THIS ILL GIVE YOU BRAINLY IF YOU GET IT RIGHT PLEASE ALSO EXPLAIN HOW YOU GOT THE ANSWER!!!
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Answer:

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