Um... neeeed details plz!
The answer is: Abscisic acid.
Because proteins are complex molecules, the body takes longer to break them down
D. Water is polar-convalently bonded, not by van der Waal forces.
Answer:
petals are colorful because the color attracts birds, bees and other insects. The insects land in the flower and spread pollen, which helps fertilize the flowers and create seeds. Some flowers change color as they grow older.