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.
Photosynthesis and cellular respiration are the entire opposites of each other however are also complementary tactics. In photosynthesis, producers such as plants absorb carbon dioxide, water and daylight to provide glucose and oxygen. With cellular respiration, organisms integrate glucose and oxygen to provide carbon dioxide, water and energy.