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The graph shows the heating curve of a chemical substance as it undergoes state changes from solid to liquid to gas. Analyze the curve, and answer the questions.
The substance is entirely solid between positions . Particles of the substance are in the liquid state and are gaining kinetic energy between positions .

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answer: collecting information/data

reason: the student is going around and asking people questions to collect data

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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.

the circled areas are referred to   as sunspots.   the sunspots are cooler than the   surrounding area.

sunspots are temporary phenomena on the photosphere of the sun that appear visibly as dark spots compared to surrounding regions. they correspond to concentrations of magnetic field flux that inhibit convection and result in reduced surface temperature compared to the surrounding photosphere.