What role did the evolution of life (e.g., photosynthesis) play in altering the atmospheric CO2 percentage on Earth?

Answer and Explanation: 1. The percentage of carbon dioxide molecules in the earth's atmosphere is approx 0.04%. This less amount of percentage of carbon ... May 31, 2023 ... "While these greenhouse gases make up just a tiny percentage of our atmosphere, they play major roles in trapping Earth's radiant heat and ... Jun 9, 2022 ... CO2 is the largest component of aircraft emissions, accounting for approximately 70 percent of the exhaust. The gas mixes in the atmosphere with ... Direct air capture (DAC) technologies extract CO2 directly from the atmosphere at any location, unlike carbon capture which is generally carried out at the ... Aug 8, 2016 ... It varies based on the individual and the study. Here is a very comprehensive study. Some excerpts: > Submarine crew are reported to be the ... Dec 7, 2023 ... Today atmospheric carbon dioxide is at its highest level in at least several million years thanks to widespread combustion of fossil fuels ... Jun 12, 2023 ... How can such a small amount of carbon dioxide in the atmosphere—only around 420 parts per million—cause so much warming? Listen with. Speechify. Jul 14, 2021 ... It found fires produced about 1.5bn tonnes of CO2 a year, with forest growth removing 0.5bn tonnes. The 1bn tonnes left in the atmosphere is ... Year, Value, Polutant. 1750, 278.0, CO2 (ppm). 1755, 278.0, CO2 (ppm). 1760, 278.0, CO2 (ppm). 1765, 278.0, CO2 (ppm). 1770, 278.6, CO2 (ppm). Jan 2, 2023 ... Some researchers believe that approximately 0.045% by volume is the maximum more or less acceptable concentration of CO2 in the atmosphere.