Question

which cranial bone is made of two masses connected horizontally by thin plates?
o ethmoid bone
o frontal bone
o vomer
o sphenoid bone

Explanation:

The ethmoid bone has two lateral masses connected horizontally by thin plates. The frontal bone is a single - large bone at the front of the skull. The vomer is a single, thin, flat bone in the nasal cavity. The sphenoid bone has a more complex, irregular shape but not characterized by two masses connected horizontally by thin plates like the ethmoid.

Answer:

Ethmoid bone