Identify two greenhouse gases in the following list: oxygen carbon dioxide nitrogen methane - Leaving Cert Chemistry - Question A - 2015

Greenhouse gases are substances that trap heat in the atmosphere, contributing to the greenhouse effect. From the provided list, the two greenhouse gases are:

1. Carbon Dioxide (CO₂): This gas is emitted through natural processes such as respiration and volcanic eruptions, as well as through human activities like deforestation and burning fossil fuels.

2. Methane (CH₄): This gas is produced during the production and transport of coal, oil, and natural gas, as well as from the digestive processes of livestock and other agricultural practices.