6. a, 7. c, 8. b , 9. e , 10. d , 11. e, 12.c
Answer:
C
Explanation:
Trees take up carbon dioxide from the atmosphere and reduce to make carbohydrates. This is powered by the energy of the sun that is taped by chlorophyll pigments during photosynthesis. The energy is used to split water molecules into H+ and O2-. Then the following chemical reaction ensues;
6CO2 + 6H2O ------> C6H12O6 + 6O2
Answer:
they attach to the bones.
The correct answer is plants
