Answer:
Carbon cycle may be defined as a type of biogeochemical cycle that regulates the amount of carbon in nature. The carbon is released by the living animals and utilized by the plants in form of carbon dioxide.
Photosynthesis consumes the carbon dioxide to make carbohydrates where as cellular respiration releases carbon dioxide and breakdown the carbohydrate. Both these process helps in recycling of the carbon in nature and maintains the level of carbon in nature.
Right there are 440 known species of sharks around the world right now discovered by humans so far there are more sharks around the world that we hadn't discovered yet. Here are some sharks: Hammerhead Sharks, Sand Sharks,Saw Sharks, Carpet Sharks and much more.