Answer:
+3
Vanadium has 5 valence electrons that can be lost. One of the characteristics of transition metal is their ability to adopt multiple oxidation states. Vanadium exhibits four common oxidation states +5, +4, +3, and +2 each of which can be distinguished by its color
<span>Mediterranean economies were short of gold but could supply salt, taken by places like the African salt mine of Taghaza</span><span>, whereas West African countries like Wangara </span><span>had plenty of gold but needed salt.</span>
Answer:
Overcrowding
<span>Sewage systems
Tenement houses</span>
Explanation:
Since many people crammed into small areas in order to be close to the factories in which they worked you had overcrowding and tenement houses. Also in the early stages they tend to have problems with sewage systems which caused a lot of sickness and bad smelling streets.
The Meat industry with he’s book
