The greenhouse effect works much the same way on Earth. Gases in the atmosphere, such as carbon dioxide, trap heat similar to the glass roof of a greenhouse. These heat-trapping gases are called greenhouse gases. ... At night, Earth's surface cools, releasing heat back into the air.
Down syndrome occurs when the nondisjunction occurs with Chromosome 21. Meiosis is a special type of cell division used to produce our sperm and egg cells.
