I don't really know the question but they either went extinct or resources, anything could happen
Answer:
Explanation:
Let us first calculate for Virgo

Using Hubble's law
For Virgo

Percentage difference for the Virgo

Now for calculate for Corona Borealis

Using Hubble's law
For Corona Borealis

Percentage difference for the Virgo

So clearly Hubble's law is more accurate for the closer objects
If you mean S is the distance then it is true
Velocity = Distance / time
Explanation:
0.566kg *(1mol/0.197 kg)= 2.87 mol gold
note how the units cancel out, if the units do not cancel out (kg/kg=1) then u did something wrong