The thick main vein in the center, separating the leaf into two parts,

1.	The thick main vein in the center, separating the leaf into two parts, depicted in the image below is known as the ____________.
Answer» The thick main vein in the center, separating the leaf into two parts, depicted in the image below is known as the ____________.

The thick main vein in the center, separating the leaf into two parts, depicted in the image below is known as the ____________.

Answer»

The thick main vein in the center, separating the leaf into two parts, depicted in the image below is known as the ____________.