Is found on Earth as liquid and in a solid state Carbon Water Petroleum. Is one of the most important elements of the planet. carbon water dioxide. Plants use this gas to carry out photosynthesis. Carbon water dioxide. It is a substance that results from the combination of two or more elements Chemical compound Water dioxide. Choose two natural cycles water carbon all are right. It is another gas in the atmosphere that protects the planet from the ultraviolet rays of the sun ozone clouds energy. People need to breath this element oxygen energy nitrogen. It is another gas that appears in great quantities in the atmosphere. nitrogen energy oxygen. It is the main source of energy on earth. Sun Water Moon. It goes from the plants to the animals that eat them. Carbon dioxide Sun Energy.
