Top 10 causes of death worldwide. Of the 56.4 million deaths worldwide in 2015, more than half (54%) were due to the top 10 causes. Ischaemic heart disease and stroke are the worldâs biggest killers, accounting for a combined 15 million deaths in 2015. These diseases have remained the leading causes of death globally in the last 15 years.
photosynthesis removes carbon dioxide from the atmosphere, and cellular respiration puts it back. Photosynthesis releases oxygen into the atmosphere, and cellular respiration uses that oxygen to release energy from food.
Which of the following statements best describes the relationship between photosynthesis and cellular respiration? a. The chemical reactions of photosynthesis are just the reverse of those in cellular respiration. b. Photosynthesis releases energy from complex organic molecules, while cellular respiration stores it. c. Photosynthesis occurs only in plants and cellular respiration occurs only in animals. d. ATP molecules are produced in photosynthesis and used up in respiration.