Mercury Forms a Convex Meniscus with Glass and Not the Concave

Multiple Choice

Mercury forms a convex meniscus with glass and not the concave meniscus formed by water. What does this tell you about the cohesive forces within mercury versus the adhesive forces between mercury and glass?

A) Mercury sticks to itself (adhesive forces) better than it sticks to the glass (cohesive forces) .
B) The cohesive forces of the glass repel the mercury.
C) Mercury sticks to itself (cohesive forces) better than it sticks to the glass (adhesive forces) .
D) The adhesive forces of the glass attract the mercury.