If Earth had no carbon dioxide in its atmosphere, __________.
Earth's surface would not give off as much heat. there would be fewer volcanic eruptions. less of the sun's radiation would strike Earth. Earth would be considerably cooler.
If Earth had no carbon dioxide in its atmosphere, Earth would be considerably cooler.
Carbon dioxide is a greenhouse gas that helps trap heat in the atmosphere. Without it, the planet would lose more heat to space, leading to significantly lower temperatures.