Answer:
(e) arsenate
Explanation:
Arsenate -
arsenate are the chemical compound , that contains the arsenate ion , of formula , AsO₄³⁻ . The valency of the the arsenic atom in the ion is 5 , and has a pentavalent structure .
From the given compound in the question , the compound have an arsenate ion , hence it belongs to the Arsenate family .
By mid point equation, x = 2, y = 0.5, the answer is 0.5
I'm pretty sure it's railroads, because there's not that many highways in Siberia, the rivers would be frozen over, and there's not a ton of people in Siberia. I'm sorry if I'm wrong.