Chemiosmosis involves
the movement of electrons across the cell membrane
the movement of hydrogen atoms across a mitochondrial membrane
the movement of hydrogen ions across a mitochondrial membrane
the movement of glucose through the cell membrane

the movement of hydrogen ions across a mitochondrial membrane is a correct answer.

Explanation:

answer: although many types of viruses can cause a common cold, rhinoviruses are the most common culprit. a cold virus enters your body through your mouth, eyes or nose. the virus can spread through droplets in the air when someone who is sick coughs, sneezes or talks. theres your answer

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.