Which combination is an element

In Combination. Earth when combined with air in an individual makes for someone well-versed in contradiction. Air lends a certain amount of caution and thoughtfulness to the earthy pursuit of sensation and experience. On the other side of the coin, earth forces air to interact with the world as a whole, not allowing it to deny the value of the senses.

Explanation:

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.