ACTIVITY 1 Directions: Study the diagram to
identify the parts of the Respiratory
System. Then use each answer to
correctly label the diagram.
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Which sentence best describes the formation of igneous rock? a- lava on the surface dries up and makes arock b_melted rocks cools and forms crystals c_rocks under tremendous heat and pressure d_magma is melted rock underground

Draw the skeletal structures of two different molecules that are each made of 5 carbon atoms and 12 hydrogen atoms.

How many ammonium ions and how many sulfate ions are present in a 0.270 mol sample of ?