Female sea turtles return to land after they are mature in order to lay their eggs. why would female turtles spend more time on land than males?

it would be most likely A.

since female sea turtles usually tend to use up mid may to almost august they usually visit more than once since they lay 150+ eggs.

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.