B. It keeps the bones from rubbing together. If the cartilage wasn't there, the bones might try to fuse. With some people, the absence of the cartilage would result in arthritis.
Flows of nutrients and energy
Flows of nutrients and energy link the producers, consumers, decomposers, and the abiotic environment in an ecosystem. Within an ecosystem, the producers obtain energy from the abiotic environment (sunlight). Consumers get nutrients and energy by feeding on other organisms. Decomposers get nutrients and energy by feeding on dead organisms or organic materials.
Produce antibodies against anything with a RH positive, or different blood type. Which when the antibodies attack to different blood can cause blood clots, which could be fatal.
Answer:
Chlorophyll
Explanation:
It is because they contain an abundance of chlorophyll. There is so much chlorophyll in an active leaf that the green masks other pigment colors. Light regulates chlorophyll production, so as autumn days grow shorter, less chlorophyll is produced. The decomposition rate of chlorophyll remains constant, so the green color starts to fade from leaves.
