Scenario 4: You are cooking and left the metal spoon in the pot 5 minutes later you return to stir the pot with the
same spoon. You burn your hand.
What property of matter is the scientist using?
Can this property be used to identify a substance?
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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.

sex cells are usually half's then they find another half and make a fertilize egg