What factors explains why the tundra biomes remain cold year round batanga biomes have altering warm and cold seasons

there are so many examples for that in different areas, like biology experiment carried out in our lab recently.

here's one link:

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.

. the sierra madre fault zone of southern california

. the san andreas fault california