How do scientists obtain knowledge about the
world? check all that apply.
going to the field
conducting experiments in a lab
reading scientific literature
making observations
creating models
analyzing data
communicating with other scientists
o
readin
done

i don't know. if i were you, i would search it up online : d

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.