A scientific argument has been peer reviewed, and needs to incorporate an additional assumption to address specific criticisms. Describe what corresponding stages of the scientific method are impacted by this change and need to be revisited first before re-running the experiment.

b is the correct answer

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.

hydrogen is a compound or a single element and a element is a pure substence that cannot be separated into simpler subtances

clorine is a compound its a chemical substance that forms when two or more different elements combine

so both hydrogen and clorine are compounds