The roots of plants are important to photosynthesis because 1. remove oxygen from the plant. 2. provide the water needed. 3. remove glucose from the plant. 4. provide the carbon dioxide needed.

B. Provide the water needed

i think its control and coordinate because im pretty sure thats what tissue does and the joints are what control movement and then your skeletal/ bones provides portection. hope that .

it cools slower in the earth meaning the crystals have more time to form than lava on the surface