C is the correct answer I think
Answer:
The main difference between vascular and nonvascular plants is that a vascular plant has vascular vessels to carry water and food to all the different parts of the plant. The phloem is the vessel that transports food and the xylem is the vessel that transports water.
Explanation:
Buy not owning slave! Lincoln abolished slavery Duh!?
Answer: The opponent-process theory
Explanation: People see colors using 3 receptor complexes which work in opposing pairs. Red is paired with Green, Blue is paired with yellow and black is paired with white. When we perceive one color in a pair, we are unable to perceive the other at the same time. The inability to see the combination of colors in a pair at the same time is known as the opponent Process theory of color vision.