What do you call a gas that absorbs and emits radiant energy within the thermal infrared range?

What is the biogeochemical cycle by which carbon is exchanged on earth?

What is the process used by plants to convert light energy into chemical energy?

What is the process to breathe out carbon dioxide called?

What is the permanent destruction of forests in order to make the land available for other uses called?

What are microscopic organisms drifting or floating in the sea or freshwater called?

What term describes significant changes to the chemistry of the ocean?

What are large underwater structures composed of the skeletons of coral, which are marine invertebrates animals, called?

What is the proportion of the incident light or radiation that is reflected by a surface called?

What do you call urban areas or metropolitan areas that is significantly warmer than its surrounding rural areas due to human activities?

What is the roof of a building that is partially or completely covered with vegetation called?

What term is used for pollution related to humans?

What does it mean to make less severe?

What is a natural fuel such as coal or gas, formed from the geological past of living organisms called?

What is a rain or any other form of precipitation that is unusually acidic, meaning that it has elevated levels of hydrogen ions, called?