Answer:
B. Poor conductor.
Explanation:
It cannot be A, as only 1 metal is not solid at room temp.
It cannot be C, as most metals are ductile.
It cannot be D, as most metals are malleable.
This leaves B, which is not true about metals, as a lot are very good conductors.
The dependent variable is the variable that changes based on the independent variable (the manipulated variable).
The correct answer to this question is A
The extensive property of Oxygen is Volume, Enthalpy, Entropy.