How does carbon dioxide contribute to the warming of the planet? It is a heat-trapping gas.

It reflects sunlight.

It creates a blanket of gases around the planet.

Carbon dioxide does not contribute to the warming of the planet.

when you breathe in, or inhale, your diaphragm contracts (tightens) and moves downward. this increases the space in your chest cavity, into which your lungs expand. the intercostal muscles between your ribs also enlarge the chest cavity. they contract to pull your rib cage both upward and outward when you inhale.

d. changes in climate and historical records

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