Yes, air will enter rock cracks. But, if water fills the crack, during a deep freeze, the expansion of the water, as ice forms, will often widen the crack (even to split the rock).
Yes, air will enter rock cracks. But, if water fills the crack, during a deep freeze, the expansion of the water, as ice forms, will often widen the crack (even to split the rock).
Water can do this if it freezes
Pot holes
This process is called frost wedging or freeze-thaw weathering. Water enters cracks in rocks, freezes and expands, causing the rock to break apart over time.
Air enters the body when you inhale (Breathe in) air enters through the mouth and into the lungs. and then exhale (Breathe out) carbon dioxide (CO2)
Oxygen rich air enters the body through the lungs.
Oxygen
lungs
you breath it in
Through nose.
Air enters the the respiratory tract through either the nose or mouth.
when air enters the body through the drips we take it may lead to many health problems.