Which structures are adapted for supporting a plant

plant have strength by the substance called ligin and support by xylem

xylem

The cells that make up the xylem are adapted to their function: They lose their end walls so the xylem forms a continuous, hollow tube. They become strengthened by a substance called lignin . Lignin gives strength and support to the plant.

hello there,

igneous rock formed from below the surface would have more crystals because

answer: because magma cools more slowly than lava

oxygen = 21% of the atmosphere

nitrogen = 78%

carbon dioxide = 0.1%

argon =0.934%