Save guides, add subjects and pick up where you left off with your BBC account. Straight lines can be drawn in any direction. Horizontal lines go left and right. Vertical lines go up and down.

Horizontal mergers are different from vertical mergers ... The rationale behind this deal was to bolster product lines and market share and have a greater chance of competing with the likes ...

Vertical nail ridges ... Horizontal nail ridges (Beau's lines): Horizontal ridges, also known as Beau's lines run across the nail and may indicate an underlying condition. They can result from ...

Save guides, add subjects and pick up where you left off with your BBC account. Straight lines can be drawn in any direction. Horizontal lines go left and right. Vertical lines go up and down.