Question

explain the relation between carbon dioxide and greenhouse effect

Answer 1

The Carbon Dioxide Greenhouse Effect. In the 19th century, scientists realized that gases in the atmosphere cause a "greenhouse effect" which affects the planet's temperature. ... Keeling measured the level of carbon dioxide in the atmosphere: it was rising fast.

Answer 2

GREEN HOUSE EFFECT is the phenomeno which allows radiations of short wavelength to pass through them but does not allow long wave radiations to pass.
CO2 in atmosphere act as glass of green house.
Due to this trapping of heat temperature of Earth is increasing .This is called GLOBAL WARMING.