It also means that you have been that friend's number one best friend out of all of their friends as well, for two months. Red heart: After the yellow heart comes to the red heart â your BFF â if you remain each other's number one best friends for a period of two weeks.
Carbon dioxide is actually a very important greenhouse gas, and an important part of the process that makes Earth so pleasant to live on. The amount being generated, however, started to outstrip the Earth's abilities to handle it in the 20th century.nd CO2 is a greenhouse gas as is oxygen, water vapor and nitrogen. CO2 along with the other trap heat between the earths crust and the atmosphere, not letting it escape. This in turn raises the temperature of the earth.
carbon dioxide behaves differently again sunlight hits the earth and warms it carbon dioxide receives this heat and reflects re radiates it back down warming more earth in effect carbon dioxide traps the heat keeping it on the earth and warming it moreif people were able to reduce the greenhouse gases carbon dioxide and methane in the atmosphere there would be more ice on the ice caps and on the glaciers and sea level would fallgain sunlight hits the earth and warms it carbon dioxide receives this heat and reflects re radiates it back down warming more earth in effect carbon dioxide traps the heat keeping it on the earth and warming it more